urllib3 package updated to v1.26.4

Author: Spagettileg

requirements.txt

@@ -41,7 +41,7 @@ stevedore==3.3.0
 traitlets==4.3.3
 typed-ast==1.2.0
 typing-extensions==3.7.4.3
-urllib3==1.26.3
+urllib3>=1.26.4
 virtualenv==16.2.0
 virtualenv-clone==0.5.4
 virtualenvwrapper==4.8.4