build.py: don't hang on text window in CI (#21335)

selfdrive/manager/build.py

@@ -76,9 +76,10 @@ def build(spinner, dirty=False):
 
         # Show TextWindow
         spinner.close()
-        error_s = "\n \n".join(["\n".join(textwrap.wrap(e, 65)) for e in errors])
+        if not os.getenv("CI"):
-        with TextWindow("openpilot failed to build\n \n" + error_s) as t:
+          error_s = "\n \n".join(["\n".join(textwrap.wrap(e, 65)) for e in errors])
-          t.wait_for_exit()
+          with TextWindow("openpilot failed to build\n \n" + error_s) as t:
+            t.wait_for_exit()
         exit(1)
     else:
       break