chagned tmpfile to streamlit internal option

mycoder/app.py

@@ -7,12 +7,14 @@ st.write("This is a demo application for the MyCoder crew.")
 
 uploaded_file = st.file_uploader("Upload a CSV file", type=["csv"])
 if uploaded_file is not None:
-    uploaded_path = os.path.join("data", uploaded_file.name)
-    with open(uploaded_path, "wb") as f:
-        f.write(uploaded_file.getbuffer())
-    st.success(f"File uploaded and saved as {uploaded_path}")
+    import tempfile
+    with tempfile.NamedTemporaryFile(mode='wb', delete=True, suffix=".csv") as temp_file:
+        temp_file.write(uploaded_file.getbuffer())
+        temp_file_path = temp_file.name
+    
+    st.success(f"File uploaded and saved as {temp_file_path}")
 
-st.write("Make sure to specify the correct file name in your query, e.g. 'data/Iris.csv'.")
+st.write("Make sure to specify the correct file name in your query, e.g. 'Iris.csv'.")
 question = st.text_input("Enter your query:")
 
 if st.button("Run MyCoder Crew"):