Update app.py

app.py

@@ -62,7 +62,14 @@ def augment_llm_with_docs(files):
 
     persist_directory_openai = 'docs/chroma/openai/'
     #!rm -rf ./docs/chroma/openai
-    shutil.rmtree(persist_directory_openai)
+
+    try:
+        shutil.rmtree(persist_directory_openai)
+        print("Directory removed successfully")
+    except FileNotFoundError:
+        print("/docs/chroma/openai directory does not exist")
+        continue
+
     openai_embeddings = OpenAIEmbeddings()
 
     # Finally we make our Index (i.e. Vector Database) using chromadb and the open ai embeddings LLM