only check for local alias if foreign isn't dict

slither/solc_parsing/slither_compilation_unit_solc.py

@@ -57,7 +57,7 @@ def _handle_import_aliases(
             # This path should only be hit for the malformed AST of solc 0.5.12 where
             # the foreign identifier cannot be found but is required to resolve the alias.
             # see https://github.com/crytic/slither/issues/1319
-            if symbol_alias["local"]:
+            elif symbol_alias["local"]:
                 raise SlitherException(
                     "Cannot resolve local alias for import directive due to malformed AST. Please upgrade to solc 0.6.0 or higher."
                 )
@@ -395,6 +395,7 @@ Please rename it, this name is reserved for Slither's internals"""
                 )
             self._contracts_by_id[contract.id] = contract
             self._compilation_unit.contracts.append(contract)
+            
         # Update of the inheritance
         for contract_parser in self._underlying_contract_to_parser.values():
             # remove the first elem in linearizedBaseContracts as it is the contract itself