Updated DB_Helper by adding firebase methods.

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

@@ -0,0 +1,33 @@
+#
+# 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
+
+if version_info[0:2] < (2, 6):
+    def bin(value):
+        bitstring = []
+
+        if value > 0:
+            prefix = '0b'
+        elif value < 0:
+            prefix = '-0b'
+            value = abs(value)
+        else:
+            prefix = '0b0'
+
+        while value:
+            if value & 1 == 1:
+                bitstring.append('1')
+            else:
+                bitstring.append('0')
+
+            value >>= 1
+
+        bitstring.reverse()
+
+        return prefix + ''.join(bitstring)
+else:
+    bin = bin