Compatibility fixes

polkascan · Jul 15, 2020 · 0f5c62e · 0f5c62e
1 parent 6b3147f
commit 0f5c62e
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -1,3 +1,3 @@
 language: python
-python: 3.6
+python: 3.8
 script: pytest
diff --git a/substrateinterface/__init__.py b/substrateinterface/__init__.py
@@ -25,7 +25,7 @@
 import requests
 import websockets
 
-from scalecodec import ScaleBytes
+from scalecodec import ScaleBytes, GenericCall
 from scalecodec.base import ScaleDecoder, RuntimeConfiguration
 from scalecodec.block import ExtrinsicsDecoder, EventsDecoder, LogDigest
 from scalecodec.metadata import MetadataDecoder
@@ -956,7 +956,7 @@ def create_signed_extrinsic(self, call, keypair: Keypair, era=None, nonce=None,
         """
 
         # Check requirements
-        if call.__class__.__name__ != 'Call':
+        if not isinstance(call, GenericCall):
             raise TypeError("'call' must be of type Call")
 
         # Retrieve nonce