Use pytest>=4.6.4

Author: mdmintz

requirements.txt

@@ -10,7 +10,7 @@ urllib3==1.25.3
 requests>=2.22.0
 selenium==3.141.0
 pluggy>=0.12.0
-pytest>=4.6.3
+pytest>=4.6.4
 pytest-cov>=2.7.1
 pytest-forked>=1.0.2
 pytest-html>=1.21.1

setup.py

@@ -64,7 +64,7 @@
         'requests>=2.22.0',
         'selenium==3.141.0',
         'pluggy>=0.12.0',
-        'pytest>=4.6.3',
+        'pytest>=4.6.4',  # Keep at >=4.6.4 for Python 2 compatibility
         'pytest-cov>=2.7.1',
         'pytest-forked>=1.0.2',
         'pytest-html>=1.21.1',