Fix "could not find module" error message formatting (#7219)

diff --git a/bin/qmk b/bin/qmk
index 876473fa43bd127eedef03ed987bf35b5f17a41c..5da8673ba0fe9b53f271ba60e264e54fe06de969 100755 (executable)
--- a/bin/qmk
+++ b/bin/qmk
@@ -26,7 +26,7 @@ with open(os.path.join(qmk_dir, 'requirements.txt'), 'r') as fd:
 
         module = line.split('=')[0] if '=' in line else line
         if not find_spec(module):
-            print('Could not find module %s!', module)
+            print('Could not find module %s!' % module)
             print('Please run `pip3 install -r requirements.txt` to install the python dependencies.')
             exit(255)