CI: Fixing error in code checks in GitHub actions (pandas-dev#29683)

Author: datapythonista

ci/code_checks.sh

@@ -190,9 +190,9 @@ if [[ -z "$CHECK" || "$CHECK" == "patterns" ]]; then
     invgrep -R --include="*.rst" ".. ipython ::" doc/source
     RET=$(($RET + $?)) ; echo $MSG "DONE"
 
-    MSG='Check for extra blank lines after the class definition' ; echo $MSG
-    invgrep -R --include="*.py" --include="*.pyx" -E 'class.*:\n\n( )+"""' .
-    RET=$(($RET + $?)) ; echo $MSG "DONE"
+    MSG='Check for extra blank lines after the class definition' ; echo $MSG
+    invgrep -R --include="*.py" --include="*.pyx" -E 'class.*:\n\n( )+"""' .
+    RET=$(($RET + $?)) ; echo $MSG "DONE"
 
     MSG='Check that no file in the repo contains trailing whitespaces' ; echo $MSG
     set -o pipefail