Update .github/workflows/check_code.yml

Co-authored-by: Tito Dal Canton <[email protected]>

.github/workflows/check_code.yml

@@ -7,7 +7,7 @@ jobs:
             - name: Install flake8
               run: pip install flake8
             - name: Checking executables for unused imports
-              run: flake8 --select=F401 `find bin -type f`
+              run: flake8 --select=F401 `find bin -type f -name pycbc_*`
             - name: Checking modules for unused imports
               run: flake8 --select=F401 `find pycbc | grep '\.py$' | grep -v -e __init__ -e "version.py"`
             - name: Checking tests for unused imports