remove unnecessary parentheses

lib/WeBWorK/AchievementItems/ExtendDueDate.pm

@@ -37,7 +37,7 @@ sub print_form ($self, $sets, $setProblemIds, $c) {
 
 	for my $i (0 .. $#$sets) {
 		push(@openSets, [ format_set_name_display($sets->[$i]->set_id) => $sets->[$i]->set_id ])
-			if (between($sets->[$i]->open_date, $sets->[$i]->due_date + ONE_DAY())
+			if (between($sets->[$i]->open_date, $sets->[$i]->due_date + ONE_DAY)
 				&& $sets->[$i]->assignment_type eq 'default');
 	}
 
@@ -85,11 +85,11 @@ sub use_item ($self, $userName, $c) {
 	}
 
 	# Add time to the reduced scoring date if it was defined in the first place
-	$userSet->reduced_scoring_date($set->reduced_scoring_date + ONE_DAY()) if $set->reduced_scoring_date;
+	$userSet->reduced_scoring_date($set->reduced_scoring_date + ONE_DAY) if $set->reduced_scoring_date;
 	# Add time to the close date
-	$userSet->due_date($set->due_date + ONE_DAY());
+	$userSet->due_date($set->due_date + ONE_DAY);
 	# This may require also extending the answer date.
-	$userSet->answer_date($userSet->due_date) if ($userSet->due_date > $set->answer_date);
+	$userSet->answer_date($userSet->due_date) if $userSet->due_date > $set->answer_date;
 	$db->putUserSet($userSet);
 
 	$globalData->{ $self->{id} }--;

lib/WeBWorK/AchievementItems/ExtendDueDateGW.pm

@@ -80,21 +80,21 @@ sub use_item ($self, $userName, $c) {
 	return q{Couldn't find that set!} unless $set && $userSet;
 
 	# Add time to the reduced scoring date, due date, and answer date.
-	$userSet->reduced_scoring_date($set->reduced_scoring_date() + ONE_DAY())
+	$userSet->reduced_scoring_date($set->reduced_scoring_date() + ONE_DAY)
 		if defined($set->reduced_scoring_date()) && $set->reduced_scoring_date();
-	$userSet->due_date($set->due_date() + ONE_DAY());
-	$userSet->answer_date($set->answer_date() + ONE_DAY());
+	$userSet->due_date($set->due_date() + ONE_DAY);
+	$userSet->answer_date($set->answer_date() + ONE_DAY);
 	$db->putUserSet($userSet);
 
 	# Add time to the reduced scoring date, due date, and answer date for all versions.
 	my @versions = $db->listSetVersions($userName, $setID);
 
 	for my $version (@versions) {
 		$set = $db->getSetVersion($userName, $setID, $version);
-		$set->reduced_scoring_date($set->reduced_scoring_date() + ONE_DAY())
+		$set->reduced_scoring_date($set->reduced_scoring_date() + ONE_DAY)
 			if defined($set->reduced_scoring_date()) && $set->reduced_scoring_date();
-		$set->due_date($set->due_date() + ONE_DAY());
-		$set->answer_date($set->answer_date() + ONE_DAY());
+		$set->due_date($set->due_date() + ONE_DAY);
+		$set->answer_date($set->answer_date() + ONE_DAY);
 		$db->putSetVersion($set);
 	}
 

lib/WeBWorK/AchievementItems/ReducedCred.pm

@@ -41,7 +41,7 @@ sub print_form ($self, $sets, $setProblemIds, $c) {
 
 	for my $i (0 .. $#$sets) {
 		push(@openSets, [ format_set_name_display($sets->[$i]->set_id) => $sets->[$i]->set_id ])
-			if (between($sets->[$i]->open_date, $sets->[$i]->due_date + ONE_DAY())
+			if (between($sets->[$i]->open_date, $sets->[$i]->due_date + ONE_DAY)
 				&& $sets->[$i]->assignment_type eq 'default');
 	}
 
@@ -97,7 +97,7 @@ sub use_item ($self, $userName, $c) {
 		unless ($set->reduced_scoring_date && ($set->reduced_scoring_date < $set->due_date));
 	$userSet->enable_reduced_scoring(1);
 	# Add time to the close date
-	$userSet->due_date($set->due_date + ONE_DAY());
+	$userSet->due_date($set->due_date + ONE_DAY);
 	# This may require also extending the answer date.
 	$userSet->answer_date($userSet->due_date) if ($userSet->due_date > $set->answer_date);
 	$db->putUserSet($userSet);

lib/WeBWorK/AchievementItems/SuperExtendDueDate.pm

@@ -37,7 +37,7 @@ sub print_form ($self, $sets, $setProblemIds, $c) {
 
 	for my $i (0 .. $#$sets) {
 		push(@openSets, [ format_set_name_display($sets->[$i]->set_id) => $sets->[$i]->set_id ])
-			if (between($sets->[$i]->open_date, $sets->[$i]->due_date + TWO_DAYS())
+			if (between($sets->[$i]->open_date, $sets->[$i]->due_date + TWO_DAYS)
 				&& $sets->[$i]->assignment_type eq 'default');
 	}
 
@@ -85,9 +85,9 @@ sub use_item ($self, $userName, $c) {
 	}
 
 	# Add time to the reduced scoring date if it was defined in the first place
-	$userSet->reduced_scoring_date($set->reduced_scoring_date + TWO_DAYS()) if $set->reduced_scoring_date;
+	$userSet->reduced_scoring_date($set->reduced_scoring_date + TWO_DAYS) if $set->reduced_scoring_date;
 	# Add time to the close date
-	$userSet->due_date($set->due_date + TWO_DAYS());
+	$userSet->due_date($set->due_date + TWO_DAYS);
 	# This may require also extending the answer date.
 	$userSet->answer_date($userSet->due_date) if ($userSet->due_date > $set->answer_date);
 	$db->putUserSet($userSet);