Update dependency for compatibility.

requirements.txt

@@ -7,7 +7,7 @@ numpy
 pandas
 pyBigWig
 # pybedtools @ git+https://github.com/blaiseli/pybedtools.git@fix_missing_headers --global-option="cythonize"
-pybedtools @ git+https://github.com/blaiseli/pybedtools.git@pep518
+pybedtools @ git+https://github.com/blaiseli/pybedtools.git@issue-343
 # pybedtools
 # scipy<=1.3.3
 scipy>=1.4.2

setup.py

@@ -48,7 +48,7 @@ setup(
         "numpy",
         "pandas",
         "pyBigWig",
-        "pybedtools @ git+https://github.com/blaiseli/pybedtools.git@pep518",
+        "pybedtools @ git+https://github.com/blaiseli/pybedtools.git@issue-343",
         # "pybedtools",
         # "scipy<=1.3.3",
         "scipy>=1.4.2",