Merge remote-tracking branch 'origin/master'

# Conflicts:
#	flask_authz/casbin_enforcer.py
#	flask_authz/utils/auth_decoder.py

Author: shenwpo

flask_authz/casbin_enforcer.py

@@ -16,7 +16,7 @@ class CasbinEnforcer:
 
     e = None
 
-    def __init__(self, app=None, adapter=None, watcher=None):
+    def __init__(self, app, adapter, watcher=None):
         """
         Args:
             app (object): Flask App object to get Casbin Model

requirements.txt

@@ -4,6 +4,7 @@ flask>=0.12.2,~=1.1.2
 itsdangerous==1.1.0
 jinja2==2.11.2
 markupsafe==1.1.1
+pyjwt==2.0.1
 simpleeval==0.9.10
 werkzeug==1.0.1
 PyJWT==2.0.1