update requirements + shed

Author: mikespub

app.py

@@ -3,9 +3,10 @@
 import sys
 import time
 
-from flask import Flask, json, request, abort
+from flask import Flask, abort, json, request
 from markupsafe import escape
 from redis import Redis, RedisError
+
 from fix_proxy import add_wsgi_proxy
 
 # Connect to Redis
@@ -18,7 +19,7 @@
 
 @app.route("/")
 def hello(more=""):
-    info = json.dumps(request.environ, indent=2, default=lambda o: repr(o))
+    info = json.dumps(request.environ, indent=2, default=repr)
     try:
         visits = redis.incr("counter")
     except RedisError:

app_test.py

@@ -1,4 +1,5 @@
 import os
+
 import pytest
 
 

fix_proxy.py

@@ -1,4 +1,5 @@
 import os
+
 from werkzeug.middleware.proxy_fix import ProxyFix
 
 # See https://werkzeug.palletsprojects.com/en/2.0.x/middleware/proxy_fix/
@@ -11,6 +12,7 @@
 # You must tell the middleware how many proxies set each header so it knows what values to trust.
 # app = ProxyFix(app, x_for=1, x_proto=1, x_host=0, x_port=0, x_prefix=0)
 
+
 # Wrapping app.wsgi_app instead of app means that app still points at your Flask application, not at the middleware.
 def add_wsgi_proxy(wsgi_app):
     if not os.getenv("PROXY_FIX", 0):