fixed a bug when uploading non-images and using preview

pyshare.py

@@ -51,7 +51,11 @@ def upload_local_file(path: str) -> None:
         url = config.url_template.format(filename)
     else:
         url = curl_upload(path)
-    notify_user(url, path)
+    # Only pass the path when uploading an image
+    if re.search(r'\.(png|jpe?g|bmp)$', path):
+        notify_user(url, path)
+    else:
+        notify_user(url)
 
 
 def prepare_file(ext: str) -> str: