Update app.py

app.py

@@ -127,7 +127,10 @@ def create(data):
     if(not os.path.exists(id)):
         return "sorry ,there is no directory for this client"
     else:
-        chroma_client.delete_collection(name=id)
+        try:
+            chroma_client.delete_collection(name=id)
+        except error:
+            pass
         collection = chroma_client.get_or_create_collection(name=id)
         print(os.chdir(id))
         return create_multiple_db(os.getcwd(),collection,working_dir)+" making data for client"