fixup code check

Author: jbrockmendel

ci/code_checks.sh

@@ -167,7 +167,7 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         -i "pandas.tseries.offsets.DateOffset.normalize GL08" \
         -i "pandas.tseries.offsets.Day.is_on_offset GL08" \
         -i "pandas.tseries.offsets.Day.n GL08" \
-        -i "pandas.tseries.offsets.Day.nanos SA01" \
+        -i "pandas.tseries.offsets.Day.freqstr SA01" \
         -i "pandas.tseries.offsets.Day.normalize GL08" \
         -i "pandas.tseries.offsets.Easter.is_on_offset GL08" \
         -i "pandas.tseries.offsets.Easter.n GL08" \