Update dependency versions used in CI

Changes to browser_cookie3: https://github.com/borisbabic/browser_cookie3/compare/0.19.1...0.20.1

.pylintrc

@@ -433,6 +433,7 @@ disable=bad-inline-option,
         too-many-instance-attributes,
         too-many-lines,
         too-many-locals,
+        too-many-positional-arguments,
         too-many-public-methods,
         too-many-statements,
         unnecessary-lambda-assignment,

docs/cli-options.rst

@@ -209,10 +209,10 @@ Instead of :option:`--login`, it is possible to use
 .. option:: --load-cookies BROWSER-NAME, -b BROWSER-NAME
 
    Use Instagram cookie in your browser to login.
-   This feature requires the browser_cookie3 library.
+   This feature requires the `browser_cookie3 <https://github.com/borisbabic/browser_cookie3>`__ library.
    Compatible with :option:`--cookiefile` if you want to load cookies from browser profiles.
    Incompatible with :option:`--login` due to potential username mismatch between user input and browser login.
-   Supported browsers: Brave, Chrome, Chromium, Edge, Firefox, LibreWolf, Opera, Opera_GX, Safari and Vivaldi.
+   Supported browsers: Arc, Brave, Chrome, Chromium, Edge, Firefox, LibreWolf, Opera, Opera_GX, Safari and Vivaldi.
 
    In subsequent runs, you can just use :option:`--login` to reuse the
    same session, which is saved by Instaloader.

instaloader/instaloader.py

@@ -737,19 +737,20 @@ class Instaloader:
                         suffix: Optional[str] = str(edge_number)
                         if '{filename}' in self.filename_pattern:
                             suffix = None
-                        if self.download_pictures and (not sidecar_node.is_video or self.download_video_thumbnails):
+                        video_url = sidecar_node.video_url
+                        if self.download_pictures and (video_url is None or self.download_video_thumbnails):
                             # pylint:disable=cell-var-from-loop
                             sidecar_filename = self.__prepare_filename(filename_template,
                                                                        lambda: sidecar_node.display_url)
                             # Download sidecar picture or video thumbnail (--no-pictures implies --no-video-thumbnails)
                             downloaded &= self.download_pic(filename=sidecar_filename, url=sidecar_node.display_url,
                                                             mtime=post.date_local, filename_suffix=suffix)
-                        if sidecar_node.is_video and self.download_videos:
+                        if video_url is not None and self.download_videos:
                             # pylint:disable=cell-var-from-loop
                             sidecar_filename = self.__prepare_filename(filename_template,
-                                                                       lambda: sidecar_node.video_url)
+                                                                       lambda: video_url)
                             # Download sidecar video if desired
-                            downloaded &= self.download_pic(filename=sidecar_filename, url=sidecar_node.video_url,
+                            downloaded &= self.download_pic(filename=sidecar_filename, url=video_url,
                                                             mtime=post.date_local, filename_suffix=suffix)
                 else:
                     downloaded = False

instaloader/structures.py

@@ -20,7 +20,7 @@ class PostSidecarNode(NamedTuple):
     """Item of a Sidecar Post."""
     is_video: bool
     display_url: str
-    video_url: str
+    video_url: Optional[str]
 
 
 PostSidecarNode.is_video.__doc__ = "Whether this node is a video."