[build] Ensure `compat._legacy` is packed in executables

Fixes https://github.com/yt-dlp/yt-dlp/commit/9196cbfe8bb7a6eb46037735b76f21963dfdc61a#commitcomment-72192406

1 files changed, 1 insertions, 0 deletions

diff --git a/pyinst.py b/pyinst.py
index 9e8128e09..c63d879a0 100644
--- a/pyinst.py
+++ b/pyinst.py
@@ -47,6 +47,7 @@ def main():
         '--noconfirm',
         *dependency_options(),
         *opts,
+        '--collect-submodules=yt_dlp',
         'yt_dlp/__main__.py',
     ]
     print(f'Running PyInstaller with {opts}')