Update app.py

app.py

@@ -124,7 +124,7 @@ def main():
         st.session_state["photo"]="not done"
     if st.session_state["photo"]=="done" or message:
         text=" "
-        if uploaded_photo.type=='application/pdf':
+        if uploaded_photo and uploaded_photo.type=='application/pdf':
             #file = uploaded_photo.read() # Read the data
             #image_result = open(uploaded_photo.name, 'wb') # creates a writable image and later we can write the decoded result
             #image_result.write(file)
@@ -133,7 +133,7 @@ def main():
             values = st.slider('Select a approximate number of lines to see and summarize',value=[0, len(tet)//(7*10)])
             text = tet[values[0]*7*10:values[1]*7*10] if values[0]!=len(tet)//(7*10) else tet[len(tet)//(7*10):]
             st.success(text)
-        if uploaded_photo.type == "application/image":
+        elif uploaded_photo and uploaded_photo.type != "application/pdf":
             img = Image.open(uploaded_photo)
             img = img.save("img.png")
             img = cv2.imread("img.png")