Update app.py

analze.py

@@ -31,9 +31,8 @@ def check_file_type(file):
         return "Please select .eml or .txt file."
 
 def save_file(file):
-    file_path = 'email files/' + file.filename
-    with open(file_path, 'w') as f:
-        f.write(file.read().decode('utf-8'))
+    with open(os.path.join('email files/', uploaded_file.name), 'wb') as f:
+        f.write(uploaded_file.getbuffer())
 
 def text_feature(filepath):
     text = get_text(filepath)