add environemnt variable

app.py

@@ -16,7 +16,10 @@ from chromadb.config import Settings
 from chromadb import HttpClient  
 from utils import load_env_variables, parse_and_route  
 from globalvars import API_BASE, intention_prompt, tasks, system_message, model_name  
-  
+from dotenv import load_dotenv
+
+load_dotenv()
+
 os.environ['PYTORCH_CUDA_ALLOC_CONF'] = 'max_split_size_mb:30'  
 os.environ['CUDA_LAUNCH_BLOCKING'] = '1'  
 os.environ['CUDA_CACHE_DISABLE'] = '1'  
@@ -94,7 +97,7 @@ def load_documents(file_path: str, mode: str = "elements"):
     return [doc.page_content for doc in docs]  
   
 def initialize_chroma(collection_name: str, embedding_function: MyEmbeddingFunction):  
-    client = chromadb.HttpClient(host='localhost', port=8000, settings = Settings(allow_reset=True, anonymized_telemetry=False)) 
+    client = HttpClient(host='localhost', port=8000, settings = Settings(allow_reset=True, anonymized_telemetry=False)) 
     client.reset()  # resets the database   
     collection = client.create_collection(collection_name)  
     return client, collection