Do not raise a DeprecationWarning in stripe.app_info

.flake8

@@ -27,6 +27,10 @@ per-file-ignores =
     stripe/oauth_error.py: IMP102
     # setup.py is required for tooling
     setup.py: IMP102
+    # should not raise a deprecation warning since it needs
+    # to be imported early in `stripe/__init__.py` to avoid
+    # a name conflict
+    stripe/app_info.py: IMP102
 
 [flake8:local-plugins]
 extension =

stripe/__init__.py

@@ -13,8 +13,9 @@
 # Configuration variables
 from stripe._api_version import _ApiVersion
 
-# We must import the app_info module eagerly before defining the app_info global
-# otherwise the late import will overwrite the global
+# We must import the app_info module early to populate it into
+# `sys.modules`; otherwise doing `import stripe.app_info` will end up
+# importing that module, and not the global `AppInfo` name from below.
 import stripe.app_info
 from stripe._app_info import AppInfo as AppInfo
 from stripe._version import VERSION as VERSION

stripe/app_info.py

@@ -1,18 +1,18 @@
 # -*- coding: utf-8 -*-
+"""
+The stripe.app_info package is deprecated, please change your
+imports to import from stripe directly.
+From:
+  from stripe.app_info import AppInfo
+To:
+  from stripe import AppInfo
+"""
 from typing_extensions import TYPE_CHECKING
-from warnings import warn
 
-warn(
-    """
-    The stripe.app_info package is deprecated, please change your
-    imports to import from stripe directly.
-    From:
-      from stripe.app_info import AppInfo
-    To:
-      from stripe import AppInfo
-    """,
-    DeprecationWarning,
-)
+# No deprecation warning is raised here, because it would happen
+# on every import of `stripe/__init__.py` otherwise. Since that
+# module declares its own `app_info` name, this module becomes
+# practically impossible to import anyway.
 
 if not TYPE_CHECKING:
     from stripe._app_info import (  # noqa