[Bug fix] Fix typos, static methods and other sanity improvements in the package (#1129)

embedchain/memory/base.py

@@ -113,10 +113,12 @@ class ChatHistory:
         count = self.cursor.fetchone()[0]
         return count
 
-    def _serialize_json(self, metadata: Dict[str, Any]):
+    @staticmethod
+    def _serialize_json(metadata: Dict[str, Any]):
         return json.dumps(metadata)
 
-    def _deserialize_json(self, metadata: str):
+    @staticmethod
+    def _deserialize_json(metadata: str):
         return json.loads(metadata)
 
     def close_connection(self):

embedchain/memory/message.py

@@ -54,7 +54,7 @@ class ChatMessage(JSONSerializable):
         if self.human_message:
             logging.info(
                 "Human message already exists in the chat message,\
-                overwritting it with new message."
+                overwriting it with new message."
             )
 
         self.human_message = BaseMessage(content=message, created_by="human", metadata=metadata)
@@ -63,7 +63,7 @@ class ChatMessage(JSONSerializable):
         if self.ai_message:
             logging.info(
                 "AI message already exists in the chat message,\
-                overwritting it with new message."
+                overwriting it with new message."
             )
 
         self.ai_message = BaseMessage(content=message, created_by="ai", metadata=metadata)

embedchain/memory/utils.py

@@ -7,7 +7,7 @@ def merge_metadata_dict(left: Optional[Dict[str, Any]], right: Optional[Dict[str
 
     Args:
         left (Dict[str, Any]): metadata of human message
-        right (Dict[str, Any]): metadata of ai message
+        right (Dict[str, Any]): metadata of AI message
 
     Returns:
         Dict[str, Any]: combined metadata dict with dedup