Use pdfminer.six instead of pypdf2 for reading PDF files

Author: mdmintz

requirements.txt

@@ -31,10 +31,10 @@ asn1crypto>=1.2.0
 pyopenssl>=19.1.0
 colorama>=0.4.1
 pymysql>=0.9.3
-pypdf2>=1.26.0
 pyotp>=2.3.0
 boto>=2.49.0
 cffi>=1.13.2
 tqdm>=4.39.0
 flake8>=3.7.9
 certifi>=2019.9.11
+pdfminer.six==20191110

setup.py

@@ -114,13 +114,13 @@
         'pyopenssl>=19.1.0',
         'colorama>=0.4.1',
         'pymysql>=0.9.3',
-        'pypdf2>=1.26.0',
         'pyotp>=2.3.0',
         'boto>=2.49.0',
         'cffi>=1.13.2',
         'tqdm>=4.39.0',
         'flake8>=3.7.9',
         'certifi>=2019.9.11',
+        'pdfminer.six==20191110',
     ],
     packages=[
         'seleniumbase',