fix: initialize embedding function manually (#205)

embedchain/embedchain.py

@@ -297,6 +297,13 @@ class App(EmbedChain):
         """
         if config is None:
             config = InitConfig()
+        
+        if not config.ef:
+            config._set_embedding_function_to_default()
+
+        if not config.db:
+            config._set_db_to_default()
+        
         super().__init__(config)
 
     def get_llm_model_answer(self, prompt, config: ChatConfig):
@@ -345,17 +352,17 @@ class OpenSourceApp(EmbedChain):
             "Loading open source embedding model. This may take some time..."
         )  # noqa:E501
         if not config:
-            config = InitConfig(
-                ef=embedding_functions.SentenceTransformerEmbeddingFunction(
-                    model_name="all-MiniLM-L6-v2"
-                )
-            )
-        elif not config.ef:
+            config = InitConfig()
+        
+        if not config.ef:
             config._set_embedding_function(
-                embedding_functions.SentenceTransformerEmbeddingFunction(
-                    model_name="all-MiniLM-L6-v2"
-                )
-            )
+                    embedding_functions.SentenceTransformerEmbeddingFunction(
+                model_name="all-MiniLM-L6-v2"
+            ))
+
+        if not config.db:
+            config._set_db_to_default()
+
         print("Successfully loaded open source embedding model.")
         super().__init__(config)