module as source doc fixes

fetch_emails.py

@@ -0,0 +1,22 @@
+from mail_intake.ingestion import MailIntakeReader
+from mail_intake.adapters import MailIntakeGmailAdapter
+from mail_intake.auth import MailIntakeGoogleAuth
+from mail_intake.credentials.pickle import PickleCredentialStore
+
+store = PickleCredentialStore(path="token.pickle")
+
+auth = MailIntakeGoogleAuth(
+    credentials_path="credentials.json",
+    store=store,
+    scopes=["https://www.googleapis.com/auth/gmail.readonly"],
+)
+auth.get_credentials()
+
+adapter = MailIntakeGmailAdapter(auth_provider=auth)
+reader = MailIntakeReader(adapter)
+
+for message in reader.iter_messages("from:roshnisingh009@gmail.com"):
+    print(message.subject, message.from_email)
+    break
+
+from pdb import set_trace;set_trace()