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-rwxr-xr-xdocs/users_guide/compare-flags.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/docs/users_guide/compare-flags.py b/docs/users_guide/compare-flags.py
index 5f0a1c9741..81a11b90e5 100755
--- a/docs/users_guide/compare-flags.py
+++ b/docs/users_guide/compare-flags.py
@@ -49,8 +49,8 @@ def read_documented_flags(doc_flags) -> Set[str]:
def read_ghc_flags(ghc_path: str) -> Set[str]:
ghc_output = subprocess.check_output([ghc_path, '--show-options'])
- return {flag
- for flag in ghc_output.decode('UTF-8').split('\n')
+ flags = {flag.strip() for flag in ghc_output.decode('UTF-8').split('\n')}
+ return {flag for flag in flags
if not expected_undocumented(flag)
if flag != ''}