Update to flask 2.0

src/web/requirements.txt

@@ -1,12 +1,12 @@
 click==7.1.2
-Flask==1.1.2
-itsdangerous==1.1.0
-Jinja2==2.11.2
+Flask==2.0.0
+itsdangerous==2.0.0
+Jinja2==3.0.0
 machfs==1.2.4
 macresources==1.2
-MarkupSafe==1.1.1
+MarkupSafe==2.0.0
 rsrcfork==1.8.0
 waitress==1.4.4
-Werkzeug==1.0.1
+Werkzeug==2.0.0
 zope.event==4.5.0
 zope.interface==5.1.2

src/web/web.py

@@ -55,7 +55,7 @@ def config_save():
     with open(file_name, "w") as csv_file:
         writer = csv.writer(csv_file)
         for device in list_devices():
-            if device["type"] is not "-":
+            if device["type"] != "-":
                 writer.writerow(device.values())
     flash(f"Saved config to  {file_name}!")
     return redirect(url_for("index"))