resolved path issue

lang_assistant/langhelper.py

@@ -57,7 +57,8 @@ def chat_with_df(query, table_name = None):
         #get data
         # con = sqlite3.connect("database.db")
         # df = pd.read_sql_query(f"SELECT * from {table_name}", con)
-        df = pd.read_csv("referencefiles/{table_name}.csv")
+        filename = f"referencefiles/{table_name}.csv"
+        df = pd.read_csv(filename)
 
     agent = create_pandas_dataframe_agent(                      
                 ChatOpenAI(temperature=0, model="gpt-3.5-turbo-0613"),
@@ -114,9 +115,11 @@ def generate_graphdata(query, table_name = None):
         df = pd.read_csv(r"https://raw.githubusercontent.com/datasciencedojo/datasets/master/titanic.csv")
     else:
         #get data from sqlite db
-        con = sqlite3.connect("database.db")
-        df = pd.read_sql_query(f"SELECT * from {table_name}", con)
-
+        #con = sqlite3.connect("database.db")
+        #df = pd.read_sql_query(f"SELECT * from {table_name}", con)
+        filename = f"referencefiles/{table_name}.csv"
+        df = pd.read_csv(filename)
+        
     jsondf = df.head(5).to_json(orient='records')
     
     prompt_template = ChatPromptTemplate.from_messages(