Pin urllib3 to <2.0.0 for now (#2069)

Author: sl0thentr0py

setup.py

@@ -41,6 +41,7 @@ def get_file_text(file_name):
         'urllib3>=1.25.7; python_version<="3.4"',
         'urllib3>=1.26.9; python_version=="3.5"',
         'urllib3>=1.26.11; python_version >="3.6"',
+        'urllib3<2.0.0',
         "certifi",
     ],
     extras_require={