diff --git a/docs/userguide.rst b/docs/userguide.rst
index d038271897e09dfcf44c8c06b6a98c087399f11e..f9afdeb5d73a7b130e454cd03003f5607a80d4af 100644
--- a/docs/userguide.rst
+++ b/docs/userguide.rst
@@ -16,7 +16,7 @@ You can obtain help by using:
 
 .. code-block:: none
 
-    rpg -\\-help
+    rpg --help
 
 
 Installation
@@ -35,7 +35,7 @@ Then you can use:
 
 .. code-block:: none
 
-    rpg -\\-help
+    rpg --help
 
 From source code
 ----------------
@@ -113,7 +113,7 @@ To perform sequential digestion of the sequence "QWSDORESDF" with enzymes 2 and
 
 .. code-block:: none
 
-    rpg -i QWSDORESDF -o output_file.fasta -e 2 -e 5
+    rpg -i QWSDORESDF -o output_file.fasta -e 2 5
 
 Sequential digestion of a (multi)fasta file
 """""""""""""""""""""""""""""""""""""""""""
@@ -122,7 +122,7 @@ To perform sequential digestion of `input_file.fasta` with enzymes 2 and 5 and s
 
 .. code-block:: none
 
-    rpg -i input_file.fasta -o output_file.fasta -e 2 -e 5
+    rpg -i input_file.fasta -o output_file.fasta -e 2 5
 
 Concurrent digestion of a (multi)fasta file
 """""""""""""""""""""""""""""""""""""""""""
@@ -131,7 +131,7 @@ To perform concurrent digestion of `input_file.fasta` with enzymes 2 and 5 and s
 
 .. code-block:: none
 
-    rpg -i input_file.fasta -o output_file.fasta -e 2 -e 5 -d c
+    rpg -i input_file.fasta -o output_file.fasta -e 2 5 -d c
 
 Adding a new enzyme
 -------------------
@@ -156,7 +156,7 @@ Here are all available options in **RPG**:
 
 **-d, -\\-digest**: Digestion mode. Either 's', 'sequential', 'c' or 'concurrent' (default: s). See :ref:`digestion` for more information.
 
-**-e, -\\-enzymes**: Enzyme(s) id number to use (*i.e.* -e 0 -e 5 -e 10 to use enzymes 0, 5 and 10). Use -l first to get enzyme ids. See :ref:`enzymes` for more information.
+**-e, -\\-enzymes**: Enzyme(s) id number to use (*i.e.* -e 0 5 10 to use enzymes 0, 5 and 10). Use -l first to get enzyme ids. See :ref:`enzymes` for more information.
 
 **-f, -\\-fmt**: Output file format. Either 'fasta', 'csv', or 'tsv' (default: fasta). See :ref:`formats` for more information.
 
@@ -164,7 +164,7 @@ Here are all available options in **RPG**:
 
 **-l, -\\-list**: Display the list of available enzymes.
 
-**-m, -\\-miscleavage**: Percentage of miscleavage, between 0 and 100, by enzyme(s). It should be in the same order as the -\\-enzymes options (*i.e.* -m 15 -m 5 -m 10). It works only for sequential digestion (default: 0). See :ref:`miscleavage` for more information.
+**-m, -\\-miscleavage**: Percentage of miscleavage, between 0 and 100, by enzyme(s). It should be in the same order as the -\\-enzymes options (*i.e.* -m 15 5.2 10). It works only for sequential digestion (default: 0). See :ref:`miscleavage` for more information.
 
 **-n, -\\-noninteractive**: Non-interactive mode. No standard output, only error(s) (-\\-quiet enable, overwrite -v). If output filename already exists, output file will be overwritten. See :ref:`nointer` for more information.
 
@@ -192,7 +192,7 @@ Let's define two enzymes. The first is called 'afterP' (id 28) and cleaves after
 
 .. code-block:: none
 
-    $ rpg -i PKPKPKPK -e 28 -e 29
+    $ rpg -i PKPKPKPK -e 28 29
     >Input_0_afterP_1_1_115.13198_5.54
     P
     >Input_1_afterP_3_2_243.30608_9.4
@@ -212,7 +212,7 @@ Digesting 'PKPKPKPK' using those two enzymes in concurrent mode gives the follow
 
 .. code-block:: none
 
-    $ rpg -i PKPKPKPK -e 28 -e 29 -d c
+    $ rpg -i PKPKPKPK -e 28 29 -d c
     >Input_0_afterP-afterK_1_1_115.13198_5.54
     P
     >Input_1_afterP-afterK_2_1_146.18938_9.4
@@ -246,7 +246,7 @@ For example, using:
 
 .. code-block:: none
 
-    rpg -i QWSDORESDF -e 1 -e 2 -e 3 -m 1.4 -m 2.6
+    rpg -i QWSDORESDF -e 1 2 3 -m 1.4 2.6
 
 will assign a miscleavage probability of `1.4%` to enzyme `1`, a miscleavage probability of `2.6%` to enzyme `2` and a miscleavage probability of `0%` to enzyme `3` (default behavior). For enzyme `1`, each cleavage will then have a probability of 0.014 to **not** occur.
 
diff --git a/rpg/RapidPeptidesGenerator.py b/rpg/RapidPeptidesGenerator.py
index e69efaf9e8ade8854f59310fc19640df03528e6c..ac5b5da0ab53d827fe56c650a48e4cd5654b55fc 100644
--- a/rpg/RapidPeptidesGenerator.py
+++ b/rpg/RapidPeptidesGenerator.py
@@ -39,7 +39,7 @@ import os
 import sys
 import uuid
 from pathlib import Path
-#from context import rpg
+from context import rpg
 from rpg import core
 from rpg import digest
 from rpg import enzyme
@@ -177,12 +177,12 @@ def get_enzymes_to_use(mode, id_enz_selected, miscleavage):
         # Ask user to give correct enzymes ids
         while not enzymes_to_use:
             id_enz_inp = input("Choose which enzyme(s) to use, separated by"
-                               " comma (example: 1,5,6). (q) to quit:\n")
+                               " space (example: 1 5 6). (q) to quit:\n")
             # Quit
             if "q" in id_enz_inp:
                 sys.exit(0)
             # Get a list of ids
-            for i in id_enz_inp.split(","):
+            for i in id_enz_inp.split(" "):
                 try:
                     # Convert it to int
                     i = int(i)
@@ -195,11 +195,11 @@ def get_enzymes_to_use(mode, id_enz_selected, miscleavage):
             mc_enz_inputed = []
             if mode == "sequential":
                 mc_enz_inp = input("Percentage of miscleavage per inputed"
-                                   " enzyme (default 0), separated by comma"
-                                   " (example: 1,5,6):\n")
+                                   " enzyme (default 0), separated by sapce"
+                                   " (example: 1.2 5 6):\n")
                 if mc_enz_inp:
                     # Get a list of int
-                    for i in mc_enz_inp.split(","):
+                    for i in mc_enz_inp.split(" "):
                         try:
                             # Convert it to int
                             i = float(i)
@@ -252,10 +252,9 @@ def main():
                         default="s", help="Digestion mode. Either 's', 'seque"
                         "ntial', 'c' or 'concurrent' (default: s)")
     parser.add_argument("-e", "--enzymes", metavar="", default=[],
-                        action='append', type=restricted_enzyme_id,
-                        help="Id of enzyme(s) to use (i.e. -e 0 -e 5 -e 10 to"
-                        " use enzymes 0, 5 and 10). Use -l first to get "
-                        "enzyme ids")
+                        nargs='+', type=restricted_enzyme_id,
+                        help="Id of enzyme(s) to use (i.e. -e 0 5 10 to use "
+                        "enzymes 0, 5 and 10). Use -l first to get enzyme ids")
     parser.add_argument("-f", "--fmt", metavar="",
                         choices=['fasta', 'csv', 'tsv'], default="fasta",
                         help="Output file format. Either 'fasta', 'csv', or "
@@ -266,11 +265,11 @@ def main():
     group_launch.add_argument("-l", "--list", action="store_true",
                               help="Display the list of available enzymes")
     parser.add_argument("-m", "--miscleavage", metavar="", default=[],
-                        action='append', type=restricted_float,
+                        nargs='+', type=restricted_float,
                         help="Percentage of miscleavage, between 0 and 100,"
                         " by enzyme(s). It should be in the same order than "
-                        "-enzymes options (i.e. -m 15 -m 5 -m 10). Only for "
-                        "sequential digestion (default: 0)")
+                        "-enzymes options (i.e. -m 15 5 10). Only for sequenti"
+                        "al digestion (default: 0)")
     parser.add_argument("-n", "--noninteractive", action='store_true',
                         help="Non-interactive mode. No standard output, only "
                         "error(s) (--quiet enable, overwrite -v). If output "
diff --git a/tests/test_core.py b/tests/test_core.py
index 8e028d63d5c8884ca953d6e9f07bacb7458f4ef7..e5cb68ad10343cc4e0d72b984d5dc6a9ce01801b 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -85,12 +85,12 @@ def test_output_results(capsys, tmpdir):
     assert out == output_file.read()
     assert output_file.read() == "Original_header,No_peptide,Enzyme,Cleaving_"\
                                  "pos,Peptide_size,Peptide_mass,pI,Sequence\n"\
-                                 "Input,0,fake_enzyme1,4,4,534.52598,3.6,WQSD"\
-                                 "\nInput,1,fake_enzyme1,7,3,349.29758,3.4,ES"\
-                                 "D\nInput,2,fake_enzyme1,12,5,495.48938,3.6,"\
+                                 "Input,0,fake_enzyme1,4,4,534.52598,3.14,WQSD"\
+                                 "\nInput,1,fake_enzyme1,7,3,349.29758,3.04,ES"\
+                                 "D\nInput,2,fake_enzyme1,12,5,495.48938,3.14,"\
                                  "FZQSD\nInput,3,fake_enzyme1,15,3,349.29758,"\
-                                 "3.4,ESD\nInput,4,fake_enzyme1,16,1,165.1918"\
-                                 "8,5.54,F\n"
+                                 "3.04,ESD\nInput,4,fake_enzyme1,16,1,165.1918"\
+                                 "8,5.97,F\n"
 
     # TSV output
     output_file = tmpdir.join("test_result.tsv")
@@ -103,12 +103,12 @@ def test_output_results(capsys, tmpdir):
     assert output_file.read() == "Original_header\tNo_peptide\tEnzyme\tCleavi"\
                                  "ng_pos\tPeptide_size\tPeptide_mass\tpI\tSeq"\
                                  "uence\nInput\t0\tfake_enzyme1\t4\t4\t534.52"\
-                                 "598\t3.6\tWQSD\nInput\t1\tfake_enzyme1\t7\t"\
-                                 "3\t349.29758\t3.4\tESD\nInput\t2\tfake_enzy"\
-                                 "me1\t12\t5\t495.48938\t3.6\tFZQSD\nInput\t3"\
-                                 "\tfake_enzyme1\t15\t3\t349.29758\t3.4\tESD"\
+                                 "598\t3.14\tWQSD\nInput\t1\tfake_enzyme1\t7\t"\
+                                 "3\t349.29758\t3.04\tESD\nInput\t2\tfake_enzy"\
+                                 "me1\t12\t5\t495.48938\t3.14\tFZQSD\nInput\t3"\
+                                 "\tfake_enzyme1\t15\t3\t349.29758\t3.04\tESD"\
                                  "\nInput\t4\tfake_enzyme1\t16\t1\t165.19188"\
-                                 "\t5.54\tF\n"
+                                 "\t5.97\tF\n"
 
     # Fasta output
     output_file = tmpdir.join("test_result.fasta")
@@ -118,12 +118,12 @@ def test_output_results(capsys, tmpdir):
     core.output_results(str(output_file), all_seq_digested, fmt, quiet, verbose)
     out, err = capsys.readouterr()
     assert out == output_file.read()
-    assert output_file.read() == ">Input_0_fake_enzyme1_4_4_534.52598_3.6\nWQ"\
-                                 "SD\n>Input_1_fake_enzyme1_7_3_349.29758_3.4"\
+    assert output_file.read() == ">Input_0_fake_enzyme1_4_4_534.52598_3.14\nWQ"\
+                                 "SD\n>Input_1_fake_enzyme1_7_3_349.29758_3.04"\
                                  "\nESD\n>Input_2_fake_enzyme1_12_5_495.48938"\
-                                 "_3.6\nFZQSD\n>Input_3_fake_enzyme1_15_3_349"\
-                                 ".29758_3.4\nESD\n>Input_4_fake_enzyme1_16_1"\
-                                 "_165.19188_5.54\nF\n"
+                                 "_3.14\nFZQSD\n>Input_3_fake_enzyme1_15_3_349"\
+                                 ".29758_3.04\nESD\n>Input_4_fake_enzyme1_16_1"\
+                                 "_165.19188_5.97\nF\n"
 
     # CSV output in quiet
     seq = "WQSDESDFZQSDESDF"
@@ -139,12 +139,12 @@ def test_output_results(capsys, tmpdir):
     assert out == ""
     assert output_file.read() == "Original_header,No_peptide,Enzyme,Cleaving_"\
                                  "pos,Peptide_size,Peptide_mass,pI,Sequence\n"\
-                                 "Input,0,fake_enzyme1,4,4,534.52598,3.6,WQSD"\
-                                 "\nInput,1,fake_enzyme1,7,3,349.29758,3.4,ES"\
-                                 "D\nInput,2,fake_enzyme1,12,5,495.48938,3.6,"\
+                                 "Input,0,fake_enzyme1,4,4,534.52598,3.14,WQSD"\
+                                 "\nInput,1,fake_enzyme1,7,3,349.29758,3.04,ES"\
+                                 "D\nInput,2,fake_enzyme1,12,5,495.48938,3.14,"\
                                  "FZQSD\nInput,3,fake_enzyme1,15,3,349.29758,"\
-                                 "3.4,ESD\nInput,4,fake_enzyme1,16,1,165.1918"\
-                                 "8,5.54,F\n"
+                                 "3.04,ESD\nInput,4,fake_enzyme1,16,1,165.1918"\
+                                 "8,5.97,F\n"
 
     # CSV output in verbose > 2
     seq = "WQSDESDFZQSDESDF"
@@ -158,12 +158,12 @@ def test_output_results(capsys, tmpdir):
     out, err = capsys.readouterr()
     assert output_file.read() == "Original_header,No_peptide,Enzyme,Cleaving_"\
                                  "pos,Peptide_size,Peptide_mass,pI,Sequence\n"\
-                                 "Input,0,fake_enzyme1,4,4,534.52598,3.6,WQSD"\
-                                 "\nInput,1,fake_enzyme1,7,3,349.29758,3.4,ES"\
-                                 "D\nInput,2,fake_enzyme1,12,5,495.48938,3.6,"\
+                                 "Input,0,fake_enzyme1,4,4,534.52598,3.14,WQSD"\
+                                 "\nInput,1,fake_enzyme1,7,3,349.29758,3.04,ES"\
+                                 "D\nInput,2,fake_enzyme1,12,5,495.48938,3.14,"\
                                  "FZQSD\nInput,3,fake_enzyme1,15,3,349.29758,"\
-                                 "3.4,ESD\nInput,4,fake_enzyme1,16,1,165.1918"\
-                                 "8,5.54,F\n"
+                                 "3.04,ESD\nInput,4,fake_enzyme1,16,1,165.1918"\
+                                 "8,5.97,F\n"
     # Verbose > 2
     assert out == "\nNumber of cleavage: 4\nCleavage position: 4, 7, 12, 15\n"\
                   "Number of miscleavage: 0\nmiscleavage position: \nmis"\
@@ -181,7 +181,7 @@ def test_peptide():
     print_res = pep0.__repr__()
     assert print_res == "Original header: Test\nNo. peptide: 1\nEnzyme: fake_"\
                         "enzyme\nCleav. pos: 3\nPep. size: 8\nPep. mass: 1012"\
-                        ".98488\nPep. pI: 3.29\nSequence: QWSDESDF\n"
+                        ".98488\nPep. pI: 2.91\nSequence: QWSDESDF\n"
 
     # Test function '__eq__()'
     pep1 = sequence.Peptide(header, seq, enz_name, 1, 3)
@@ -201,12 +201,12 @@ def test_peptide():
 
     # Test function '__format__()'
     format_res = pep0.__format__("csv")
-    assert format_res == "Test,1,fake_enzyme,3,8,1012.98488,3.29,QWSDESDF"
+    assert format_res == "Test,1,fake_enzyme,3,8,1012.98488,2.91,QWSDESDF"
     format_res = pep2.__format__("tsv")
-    assert format_res == "Test\t1\tfake_enzyme\t2\t8\t1012.98488\t3.29\tQWSD"\
+    assert format_res == "Test\t1\tfake_enzyme\t2\t8\t1012.98488\t2.91\tQWSD"\
                          "ESDF"
     format_res = pep3.__format__("fasta")
-    assert format_res == ">Test_2_fake_enzyme_3_8_1012.98488_3.29\nQWSDESDF"
+    assert format_res == ">Test_2_fake_enzyme_3_8_1012.98488_2.91\nQWSDESDF"
 
     # Test function 'def get_isoelectric_point():'
-    assert pep3.get_isoelectric_point() == 3.29
+    assert pep3.get_isoelectric_point() == 2.91
diff --git a/tests/test_digest.py b/tests/test_digest.py
index eed13c7e6db4d11056eb6eb90dfc3b61315a9906..49667d198320b6b1cbdc45a8983de900543f25c2 100644
--- a/tests/test_digest.py
+++ b/tests/test_digest.py
@@ -26,10 +26,10 @@ def test_resultonedigestion():
                                   "66\nPeptides: [Original header: Test\nNo. "\
                                   "peptide: 0\nEnzyme: fake_enzyme\nCleav. po"\
                                   "s: 3\nPep. size: 8\nPep. mass: 1012.98488"\
-                                  "\nPep. pI: 3.29\nSequence: QWSDESDF\n, Ori"\
+                                  "\nPep. pI: 2.91\nSequence: QWSDESDF\n, Ori"\
                                   "ginal header: Test\nNo. peptide: 1\nEnzyme"\
                                   ": fake_enzyme\nCleav. pos: 4\nPep. size: 8"\
-                                  "\nPep. mass: 1012.98488\nPep. pI: 3.29\nSe"\
+                                  "\nPep. mass: 1012.98488\nPep. pI: 2.91\nSe"\
                                   "quence: QWSDESDF\n]\n"
 
     # Test function '__eq__()'
@@ -53,15 +53,15 @@ def test_resultonedigestion():
 
     # Test function '__format__()'
     format_res = res_dig0.__format__("csv")
-    assert format_res == "Test,0,fake_enzyme,3,8,1012.98488,3.29,QWSDESDF\nTe"\
-                         "st,1,fake_enzyme,4,8,1012.98488,3.29,QWSDESDF\n"
+    assert format_res == "Test,0,fake_enzyme,3,8,1012.98488,2.91,QWSDESDF\nTe"\
+                         "st,1,fake_enzyme,4,8,1012.98488,2.91,QWSDESDF\n"
     format_res = res_dig0.__format__("tsv")
-    assert format_res == "Test\t0\tfake_enzyme\t3\t8\t1012.98488\t3.29\tQWSDE"\
-                         "SDF\nTest\t1\tfake_enzyme\t4\t8\t1012.98488\t3.29\t"\
+    assert format_res == "Test\t0\tfake_enzyme\t3\t8\t1012.98488\t2.91\tQWSDE"\
+                         "SDF\nTest\t1\tfake_enzyme\t4\t8\t1012.98488\t2.91\t"\
                          "QWSDESDF\n"
     format_res = res_dig0.__format__("fasta")
-    assert format_res == ">Test_0_fake_enzyme_3_8_1012.98488_3.29\nQWSDESDF\n"\
-                         ">Test_1_fake_enzyme_4_8_1012.98488_3.29\nQWSDESDF\n"
+    assert format_res == ">Test_0_fake_enzyme_3_8_1012.98488_2.91\nQWSDESDF\n"\
+                         ">Test_1_fake_enzyme_4_8_1012.98488_2.91\nQWSDESDF\n"
 
     # Test function 'pop_peptides()'
     assert res_dig5.peptides != []
@@ -350,21 +350,21 @@ def test_digest_from_input(capsys, tmpdir):
                                    "[Original header: Input\nNo. peptide: 0"\
                                    "\nEnzyme: fake_enzyme1\nCleav. pos: 4\nPe"\
                                    "p. size: 4\nPep. mass: 534.52598\nPep. pI"\
-                                   ": 3.6\nSequence: WQSD\n, Original header:"\
+                                   ": 3.14\nSequence: WQSD\n, Original header:"\
                                    " Input\nNo. peptide: 1\nEnzyme: fake_enzy"\
                                    "me1\nCleav. pos: 7\nPep. size: 3\nPep. ma"\
-                                   "ss: 349.29758\nPep. pI: 3.4\nSequence: ES"\
+                                   "ss: 349.29758\nPep. pI: 3.04\nSequence: ES"\
                                    "D\n, Original header: Input\nNo. peptide:"\
                                    " 2\nEnzyme: fake_enzyme1\nCleav. pos: 12"\
                                    "\nPep. size: 5\nPep. mass: 495.48938\nPep"\
-                                   ". pI: 3.6\nSequence: FZQSD\n, Original he"\
+                                   ". pI: 3.14\nSequence: FZQSD\n, Original he"\
                                    "ader: Input\nNo. peptide: 3\nEnzyme: fake"\
                                    "_enzyme1\nCleav. pos: 15\nPep. size: 3\nP"\
-                                   "ep. mass: 349.29758\nPep. pI: 3.4\nSequen"\
+                                   "ep. mass: 349.29758\nPep. pI: 3.04\nSequen"\
                                    "ce: ESD\n, Original header: Input\nNo. pe"\
                                    "ptide: 4\nEnzyme: fake_enzyme1\nCleav. po"\
                                    "s: 16\nPep. size: 1\nPep. mass: 165.19188"\
-                                   "\nPep. pI: 5.54\nSequence: F\n]\n"
+                                   "\nPep. pI: 5.97\nSequence: F\n]\n"
 
     # Test fasta file
     fasta_file = tmpdir.join("test.fasta")
@@ -376,28 +376,28 @@ def test_digest_from_input(capsys, tmpdir):
                                    "[Original header: Fake1\nNo. peptide: 0\n"\
                                    "Enzyme: fake_enzyme1\nCleav. pos: 4\nPep."\
                                    " size: 4\nPep. mass: 534.52598\nPep. pI: "\
-                                   "3.6\nSequence: WQSD\n, Original header: F"\
+                                   "3.14\nSequence: WQSD\n, Original header: F"\
                                    "ake1\nNo. peptide: 1\nEnzyme: fake_enzyme"\
                                    "1\nCleav. pos: 7\nPep. size: 3\nPep. mass"\
-                                   ": 349.29758\nPep. pI: 3.4\nSequence: ESD"\
+                                   ": 349.29758\nPep. pI: 3.04\nSequence: ESD"\
                                    "\n, Original header: Fake1\nNo. peptide: "\
                                    "2\nEnzyme: fake_enzyme1\nCleav. pos: 12\n"\
                                    "Pep. size: 5\nPep. mass: 495.48938\nPep. "\
-                                   "pI: 3.6\nSequence: FZQSD\n, Original head"\
+                                   "pI: 3.14\nSequence: FZQSD\n, Original head"\
                                    "er: Fake1\nNo. peptide: 3\nEnzyme: fake_e"\
                                    "nzyme1\nCleav. pos: 15\nPep. size: 3\nPep"\
-                                   ". mass: 349.29758\nPep. pI: 3.4\nSequence"\
+                                   ". mass: 349.29758\nPep. pI: 3.04\nSequence"\
                                    ": ESD\n, Original header: Fake1\nNo. pept"\
                                    "ide: 4\nEnzyme: fake_enzyme1\nCleav. pos:"\
                                    " 16\nPep. size: 1\nPep. mass: 165.19188\n"\
-                                   "Pep. pI: 5.54\nSequence: F\n]\n"
+                                   "Pep. pI: 5.97\nSequence: F\n]\n"
     assert res[1][0].__repr__() == "Number of cleavage: 0\nNumber of miscle"\
                                    "avage: 0\nPositions of miscleavage: []"\
                                    "\nRatio of miscleavage: 0\nPeptides: [O"\
                                    "riginal header: Fake2\nNo. peptide: 0\nEn"\
                                    "zyme: fake_enzyme1\nCleav. pos: 0\nPep. s"\
                                    "ize: 15\nPep. mass: 2014.35098\nPep. pI: "\
-                                   "6.91\nSequence: NPHARDORCOMPLET\n]\n"
+                                   "7.16\nSequence: NPHARDORCOMPLET\n]\n"
 
     # Test fastq file (same result)
     fastq_file = tmpdir.join("test.fastq")
@@ -410,25 +410,25 @@ def test_digest_from_input(capsys, tmpdir):
                                    "[Original header: Fake1\nNo. peptide: 0\n"\
                                    "Enzyme: fake_enzyme1\nCleav. pos: 4\nPep."\
                                    " size: 4\nPep. mass: 534.52598\nPep. pI: "\
-                                   "3.6\nSequence: WQSD\n, Original header: F"\
+                                   "3.14\nSequence: WQSD\n, Original header: F"\
                                    "ake1\nNo. peptide: 1\nEnzyme: fake_enzyme"\
                                    "1\nCleav. pos: 7\nPep. size: 3\nPep. mass"\
-                                   ": 349.29758\nPep. pI: 3.4\nSequence: ESD"\
+                                   ": 349.29758\nPep. pI: 3.04\nSequence: ESD"\
                                    "\n, Original header: Fake1\nNo. peptide: "\
                                    "2\nEnzyme: fake_enzyme1\nCleav. pos: 12\n"\
                                    "Pep. size: 5\nPep. mass: 495.48938\nPep. "\
-                                   "pI: 3.6\nSequence: FZQSD\n, Original head"\
+                                   "pI: 3.14\nSequence: FZQSD\n, Original head"\
                                    "er: Fake1\nNo. peptide: 3\nEnzyme: fake_e"\
                                    "nzyme1\nCleav. pos: 15\nPep. size: 3\nPep"\
-                                   ". mass: 349.29758\nPep. pI: 3.4\nSequence"\
+                                   ". mass: 349.29758\nPep. pI: 3.04\nSequence"\
                                    ": ESD\n, Original header: Fake1\nNo. pept"\
                                    "ide: 4\nEnzyme: fake_enzyme1\nCleav. pos:"\
                                    " 16\nPep. size: 1\nPep. mass: 165.19188\n"\
-                                   "Pep. pI: 5.54\nSequence: F\n]\n"
+                                   "Pep. pI: 5.97\nSequence: F\n]\n"
     assert res[1][0].__repr__() == "Number of cleavage: 0\nNumber of miscle"\
                                    "avage: 0\nPositions of miscleavage: []"\
                                    "\nRatio of miscleavage: 0\nPeptides: [O"\
                                    "riginal header: Fake2\nNo. peptide: 0\nEn"\
                                    "zyme: fake_enzyme1\nCleav. pos: 0\nPep. s"\
                                    "ize: 15\nPep. mass: 2014.35098\nPep. pI: "\
-                                   "6.91\nSequence: NPHARDORCOMPLET\n]\n"
+                                   "7.16\nSequence: NPHARDORCOMPLET\n]\n"