Updated DB_Helper by adding firebase methods.

venv/Lib/site-packages/pyasn1/compat/calling.py

@@ -0,0 +1,20 @@
+#
+# This file is part of pyasn1 software.
+#
+# Copyright (c) 2005-2019, Ilya Etingof <etingof@gmail.com>
+# License: http://snmplabs.com/pyasn1/license.html
+#
+from sys import version_info
+
+__all__ = ['callable']
+
+
+if (2, 7) < version_info[:2] < (3, 2):
+    import collections
+
+    def callable(x):
+        return isinstance(x, collections.Callable)
+
+else:
+
+    callable = callable