update __eq__

Author: kylebarron

src/zarr/storage/_object.py

@@ -66,13 +66,17 @@ class ObjectStore(Store):
     """The underlying obstore instance."""
 
     def __eq__(self, value: object) -> bool:
+        if not isinstance(value, ObjectStore):
+            return False
+
         if not isinstance(self.store, type(value.store)):
             return False
         if not self.read_only == value.read_only:
             return False
 
         match value.store:
             case AzureStore():
+                assert isinstance(self.store, AzureStore)
                 if (
                     (self.store.config != value.store.config)
                     or (self.store.client_options != value.store.client_options)
@@ -81,6 +85,7 @@ def __eq__(self, value: object) -> bool:
                 ):
                     return False
             case GCSStore():
+                assert isinstance(self.store, GCSStore)
                 if (
                     (self.store.config != value.store.config)
                     or (self.store.client_options != value.store.client_options)
@@ -89,6 +94,7 @@ def __eq__(self, value: object) -> bool:
                 ):
                     return False
             case S3Store():
+                assert isinstance(self.store, S3Store)
                 if (
                     (self.store.config != value.store.config)
                     or (self.store.client_options != value.store.client_options)
@@ -97,13 +103,15 @@ def __eq__(self, value: object) -> bool:
                 ):
                     return False
             case HTTPStore():
+                assert isinstance(self.store, HTTPStore)
                 if (
                     (self.store.url != value.store.url)
                     or (self.store.client_options != value.store.client_options)
                     or (self.store.retry_config != value.store.retry_config)
                 ):
                     return False
             case LocalStore():
+                assert isinstance(self.store, LocalStore)
                 if self.store.prefix != value.store.prefix:
                     return False
             case MemoryStore():