Add __all__ to __init__.py

Author: seratch

app.py

@@ -17,4 +17,4 @@
 user_conversations = client.discovery_user_conversations(
     user=auth_test["user_id"], limit=5
 )
-print(user_conversations)
+print(user_conversations)

slack_discovery_sdk/__init__.py

@@ -3,5 +3,10 @@
 
 """The Slack Web API allows you to build applications that interact with Slack
 in more complex ways than the integrations we provide out of the box."""
-from .client import DiscoveryClient  # noqa
-from .oauth import DiscoveryOAuthApp  # noqa
+from .client import DiscoveryClient
+from .oauth import DiscoveryOAuthApp
+
+__all__ = [
+    "DiscoveryClient",
+    "DiscoveryOAuthApp",
+]