Removing useless line

lib/ucoinpy/api/bma/tx/__init__.py

@@ -44,4 +44,4 @@ class Sources(Tx):
 
     def __get__(self, **kwargs):
         assert self.pubkey is not None
-        return self.requests_get('/sources/%d' % self.pubkey, **kwargs).json()
+        return self.requests_get('/sources/%s' % self.pubkey, **kwargs).json()