Update app.py

app.py

@@ -2,15 +2,19 @@ import gradio as gr
 import pandas as pd
 
 def process_file(file):
-    df = pd.read_excel(file.name, header=None)
+    df = pd.read_excel(file, header=None)
 
     # delete first 4 rows
     df = df.iloc[4:].reset_index(drop=True)
 
-    # make sure columns up to J exist
+    # ensure columns up to J exist
     while df.shape[1] < 10:
         df[df.shape[1]] = ""
 
+    # convert to numbers
+    df.iloc[:,8] = pd.to_numeric(df.iloc[:,8], errors="coerce")
+    df.iloc[:,9] = pd.to_numeric(df.iloc[:,9], errors="coerce")
+
     # column H = I - J
     df.iloc[:,7] = df.iloc[:,8] - df.iloc[:,9]