Forgot to add XCB file

Author: jmwright

pyinstaller/pyi_rth_qt_xcb.py

@@ -0,0 +1,10 @@
+import os
+import sys
+
+# Prevent Qt's XCB plugin from initializing GLX before OCCT does.
+# When Qt's bundled libqxcb.so fails to find a matching GLX FBConfig,
+# it can leave the display connection in a state that breaks OCCT's own
+# GLX initialization. OCCT creates its own GL context via Xw_Window
+# directly, so Qt does not need GLX integration.
+if sys.platform.startswith("linux"):
+    os.environ["QT_XCB_GL_INTEGRATION"] = "none"