python: Convert type checks to isinstance checks.

Generated by autopep8 --aggressive, with the setup.cfg configuration
from #14532.  In general, an isinstance check may not be equivalent to
a type check because it includes subtypes; however, that’s usually
what you want.

Signed-off-by: Anders Kaseorg <anders@zulipchat.com>

zerver/lib/bot_storage.py

@@ -30,9 +30,9 @@ def set_bot_storage(bot_profile: UserProfile, entries: List[Tuple[str, str]]) ->
     storage_size_limit = settings.USER_STATE_SIZE_LIMIT
     storage_size_difference = 0
     for key, value in entries:
-        if type(key) is not str:
+        if not isinstance(key, str):
             raise StateError("Key type is {}, but should be str.".format(type(key)))
-        if type(value) is not str:
+        if not isinstance(value, str):
             raise StateError("Value type is {}, but should be str.".format(type(value)))
         storage_size_difference += (len(key) + len(value)) - get_bot_storage_size(bot_profile, key)
     new_storage_size = get_bot_storage_size(bot_profile) + storage_size_difference

zerver/lib/bugdown/api_code_examples.py

@@ -148,7 +148,7 @@ cURL example.""".format(endpoint, method, param_name)
         return ordered_ex_val_str  # nocoverage
     else:
         example_value = param.get("example", DEFAULT_EXAMPLE[param_type])
-        if type(example_value) == bool:
+        if isinstance(example_value, bool):
             example_value = str(example_value).lower()
         if param["schema"].get("format", "") == "json":
             example_value = json.dumps(example_value)

zerver/tests/test_openapi.py

@@ -354,7 +354,7 @@ so maybe we shouldn't mark it as intentionally undocumented in the urls.
         needs to be mapped to list."""
 
         if sys.version_info < (3, 7):  # nocoverage  # python 3.5-3.6
-            if sys.version_info < (3, 6) and type(t) is type(Union):  # python 3.5 has special consideration for Union
+            if sys.version_info < (3, 6) and isinstance(t, type(Union)):  # python 3.5 has special consideration for Union
                 origin = Union
             else:
                 origin = getattr(t, "__origin__", None)

zproject/backends.py

@@ -1087,7 +1087,7 @@ def social_auth_associate_user(
     user_profile = social_associate_user_helper(
         backend, return_data, *args, **kwargs)
 
-    if type(user_profile) == HttpResponse:
+    if isinstance(user_profile, HttpResponse):
         return user_profile
     else:
         return {'user_profile': user_profile,