Updated DB_Helper by adding firebase methods.

venv/Lib/site-packages/requests_toolbelt/exceptions.py

@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+"""Collection of exceptions raised by requests-toolbelt."""
+
+
+class StreamingError(Exception):
+    """Used in :mod:`requests_toolbelt.downloadutils.stream`."""
+    pass
+
+
+class VersionMismatchError(Exception):
+    """Used to indicate a version mismatch in the version of requests required.
+
+    The feature in use requires a newer version of Requests to function
+    appropriately but the version installed is not sufficient.
+    """
+    pass
+
+
+class RequestsVersionTooOld(Warning):
+    """Used to indiciate that the Requests version is too old.
+
+    If the version of Requests is too old to support a feature, we will issue
+    this warning to the user.
+    """
+    pass