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Fix 5702: prevent confusing error if dev_tools/modules.py is invoked without arguments #5706

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Merged
merged 3 commits into from
Jul 11, 2022
Merged

Fix 5702: prevent confusing error if dev_tools/modules.py is invoked without arguments #5706

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0fcc9e6
Merge branch 'master' of github.com:mhucka/Cirq
mhucka Jul 8, 2022
4cbd9df
Fix #5702
mhucka Jul 9, 2022
073d5bc
Merge branch 'master' into fix-5702
CirqBot Jul 11, 2022
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3 changes: 3 additions & 0 deletions dev_tools/modules.py
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Original file line number Diff line number Diff line change
Expand Up @@ -303,6 +303,9 @@ def parse(args):


def main(argv: List[str]):
if argv == []:
# If no arguments are given, print the help/usage info.
argv = ['--help']
args = parse(argv)
# args.func is where we store the function to be called for a given subparser
# e.g. it is list_modules for the `list` subcommand
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