Refresh Python dependencies

Author: mdmintz

requirements.txt

@@ -31,7 +31,11 @@ urllib3==1.26.7
 requests==2.26.0;python_version<"3.5"
 requests==2.25.1;python_version>="3.5" and python_version<"3.6"
 requests==2.26.0;python_version>="3.6"
-selenium==3.141.0
+selenium==3.141.0;python_version<"3.7"
+selenium==4.0.0;python_version>="3.7"
+trio==0.19.0;python_version>="3.7"
+trio-websocket==0.9.2;python_version>="3.7"
+pyopenssl==21.0.0;python_version>="3.7"
 msedge-selenium-tools==3.141.3;python_version<"3.7"
 more-itertools==5.0.0;python_version<"3.5"
 more-itertools==8.10.0;python_version>="3.5"

setup.py

@@ -147,7 +147,11 @@
         'requests==2.26.0;python_version<"3.5"',
         'requests==2.25.1;python_version>="3.5" and python_version<"3.6"',
         'requests==2.26.0;python_version>="3.6"',
-        "selenium==3.141.0",
+        'selenium==3.141.0;python_version<"3.7"',
+        'selenium==4.0.0;python_version>="3.7"',
+        'trio==0.19.0;python_version>="3.7"',
+        'trio-websocket==0.9.2;python_version>="3.7"',
+        'pyopenssl==21.0.0;python_version>="3.7"',
         'msedge-selenium-tools==3.141.3;python_version<"3.7"',
         'more-itertools==5.0.0;python_version<"3.5"',
         'more-itertools==8.10.0;python_version>="3.5"',