lots of typing fixes

app/terraform/proxy/azure_cdn.py

@@ -1,3 +1,5 @@
+from typing import Optional, Any
+
 from app.extensions import db
 from app.models.mirrors import Proxy
 from app.terraform.proxy import ProxyAutomation
@@ -157,7 +159,7 @@ class ProxyAzureCdnAutomation(ProxyAutomation):
     {% endfor %}
     """
 
-    def import_state(self, state):
+    def import_state(self, state: Optional[Any]) -> None:
         proxies = Proxy.query.filter(
             Proxy.provider == self.provider,
             Proxy.destroyed == None