env updated

app.py

@@ -22,7 +22,7 @@ llm.set_index_from_pinecone()
 genai.configure(api_key=os.getenv('PALM_API_KEY'))
 
 # W&B
-wandb.init(project=os.getenv('WANDB_PROJECT', 'ChatExp'))
+wandb.init(project=os.getenv('WANDB_PROJECT'))
 
 # Gradio
 chat_history = []

src/llamaindex_palm.py

@@ -125,7 +125,7 @@ class LlamaIndexPaLM():
         # Pinecone
         pinecone.init(
             api_key=os.environ['PINECONE_API_KEY'],
-            environment=os.getenv('PINECONE_ENV', 'us-west1-gcp-free')
+            environment=os.getenv('PINECONE_ENV')
         )
 
         # model metadata
@@ -158,8 +158,8 @@ class LlamaIndexPaLM():
     
     def set_index_from_pinecone(
         self, 
-        index_name: str = os.getenv('PINECONE_INDEX', 'experience'),
-        index_namespace: str = os.getenv('PINECONE_NAMESPACE', 'main')
+        index_name: str = os.getenv('PINECONE_INDEX'),
+        index_namespace: str = os.getenv('PINECONE_NAMESPACE')
     ) -> None:
         # Pinecone VectorStore
         pinecone_index = pinecone.Index(index_name)