Merge pull request #51 from opentensor/feat/thewhaleking/close-on-gc

Closes the connection on the object being garbage-collected

Author: thewhaleking

async_substrate_interface/sync_substrate.py

@@ -525,6 +525,9 @@ def __enter__(self):
         self.initialize()
         return self
 
+    def __del__(self):
+        self.close()
+
     def initialize(self):
         """
         Initialize the connection to the chain.