formatting fixes

pytube/cli.py

@@ -171,7 +171,7 @@ def on_progress(
 
 
 def _download(stream: Stream) -> None:
-    print("\n{fn} | {fs} bytes".format(fn=stream.default_filename, fs=stream.filesize, ))
+    print("\n{fn} | {fs} bytes".format(fn=stream.default_filename, fs=stream.filesize))
     stream.download()
     sys.stdout.write("\n")
 
@@ -215,7 +215,11 @@ def download_by_resolution(youtube: YouTube, resolution: str) -> None:
     # TODO(nficano): allow dash itags to be selected
     stream = youtube.streams.get_by_resolution(resolution)
     if stream is None:
-        print("Could not find a stream with resolution: {resolution}".format(resolution=resolution))
+        print(
+            "Could not find a stream with resolution: {resolution}".format(
+                resolution=resolution
+            )
+        )
         print("Try one of these:")
         display_streams(youtube)
         sys.exit()

pytube/contrib/playlist.py

@@ -21,11 +21,12 @@ class Playlist:
     def __init__(self, url: str, suppress_exception: bool = False):
         self.video_urls: List[str] = []
         self.suppress_exception = suppress_exception
-        self.playlist_url:str = url
+        self.playlist_url: str = url
 
         if "watch?v=" in url:
             base_url = "https://www.youtube.com/playlist?list="
-            playlist_code = self.playlist_url.split("&list=")[1]  # TODO: should be parse q
+            # TODO: should be parse q
+            playlist_code = self.playlist_url.split("&list=")[1]
             self.playlist_url = base_url + playlist_code
 
     @staticmethod

pytube/request.py

@@ -6,7 +6,7 @@ from urllib.request import urlopen
 
 
 def _execute_request(url: str) -> Any:
-    if not url.lower().startswith('http'):
+    if not url.lower().startswith("http"):
         raise ValueError
     return urlopen(Request(url, headers={"User-Agent": "Mozilla/5.0"}))