pin matplotlib version to 2.2.3

because "Matplotlib 3.0+ does not support Python 2.x, 3.0, 3.1, 3.2, 3.3, or 3.4."


Former-commit-id: 82c4de9c537598c3561d961de7181aee3d2aed7f

ippisite/db.sqlite3.REMOVED.git-id

-97160aae7942a20d6ede044ef941caa39e94424d
\ No newline at end of file
+475d913e8a8e053f18217dc4dcce92e66bb1f9df
\ No newline at end of file

ippisite/requirements.txt

@@ -13,6 +13,6 @@ bioblend
 django-allauth==0.36
 sklearn
 scipy
-matplotlib
+matplotlib==2.2.3 #Matplotlib 3.0+ does not support Python 2.x, 3.0, 3.1, 3.2, 3.3, or 3.4.
 psycopg2
-openbabel
\ No newline at end of file
+openbabel

ippisite/requirements_centos.txt

@@ -13,5 +13,5 @@ bioblend
 django-allauth==0.36
 sklearn
 scipy
-matplotlib
-psycopg2
\ No newline at end of file
+matplotlib==2.2.3 Matplotlib 3.0+ does not support Python 2.x, 3.0, 3.1, 3.2, 3.3, or 3.4.
+psycopg2