'FROM' is separated by the SELECT start with a line return

with rest stack trace, \n is ignored and the query looks like columnFROM
it is not going to affect the running of the query, but can be confusing, so adding a space before the FROM

modules/Bio/EnsEMBL/DBSQL/BaseAdaptor.pm

@@ -579,7 +579,7 @@ sub _generate_sql {
   my $tablenames = join(', ', map({ join(' ', @$_) } @tables));
 
   my $sql =
-      "SELECT $straight_join $columns\n"
+      "SELECT $straight_join $columns \n"
     . "FROM $left_join_prefix ($tablenames) $left_join";
 
   my $default_where = $self->_default_where_clause();