Update app.py

app.py

@@ -2,21 +2,23 @@ import gradio as gr
 import pandas as pd
 from io import StringIO
 
+# Global variable to hold the DataFrame
+global_df = None
+
 def process_csv(file):
+    global global_df
     if file is None:
         return "No file uploaded"
     
-    # Read the CSV file into a DataFrame
-    df = pd.read_csv(StringIO(file.decode("utf-8")))
-    return df
+    # Read the CSV file into a DataFrame and store it in the global variable
+    global_df = pd.read_csv(StringIO(file.decode("utf-8")))
 
 # Create the Gradio interface
 iface = gr.Interface(
     fn=process_csv, 
-    inputs=gr.File(type="binary", label="Upload CSV File"),  # Changed 'csv' to 'binary'
-    outputs="dataframe",
+    inputs=gr.File(type="binary", label="Upload CSV File"),
     title="CSV File Upload",
-    description="Upload a CSV file and convert it to a pandas DataFrame."
+    description="Upload a CSV file to load it into a pandas DataFrame."
 )
 
 if __name__ == "__main__":