BLD: ordered_pip.sh: don't count blank/comment lines as packages!

etc/ordered_pip.sh

@@ -5,7 +5,7 @@ while read line
 do     
     if [[ -n "$line" && "$line" != \#* ]] ; then
         pip install $line
+        ((a = a + 1))
     fi
-    ((a = a + 1))
 done < $1
 echo "$0: Final package count is $a";