Correct the naming of the preWizard -> pre_wizard.

openlp/plugins/bibles/forms/bibleimportform.py

@@ -511,7 +511,7 @@ class BibleImportForm(OpenLPWizard):
             name = bible[u'abbreviation']
             self.web_bible_list[download_type][version] = name.strip()
 
-    def preWizard(self):
+    def pre_wizard(self):
         """
         Prepare the UI for the import.
         """

openlp/plugins/bibles/forms/bibleupgradeform.py

@@ -105,7 +105,7 @@ class BibleUpgradeForm(OpenLPWizard):
         Perform necessary functions depending on which wizard page is active.
         """
         if self.page(pageId) == self.progress_page:
-            self.preWizard()
+            self.pre_wizard()
             self.performWizard()
             self.post_wizard()
         elif self.page(pageId) == self.selectPage and not self.files:
@@ -329,7 +329,7 @@ class BibleUpgradeForm(OpenLPWizard):
         self.cancel_button.setVisible(True)
         settings.endGroup()
 
-    def preWizard(self):
+    def pre_wizard(self):
         """
         Prepare the UI for the upgrade.
         """

openlp/plugins/songs/forms/songexportform.py

@@ -235,7 +235,7 @@ class SongExportForm(OpenLPWizard):
             self.availableListWidget.addItem(item)
         self.application.set_normal_cursor()
 
-    def preWizard(self):
+    def pre_wizard(self):
         """
         Perform pre export tasks.
         """

openlp/plugins/songs/forms/songimportform.py

@@ -325,7 +325,7 @@ class SongImportForm(OpenLPWizard):
         self.error_copy_to_button.setHidden(True)
         self.error_save_to_button.setHidden(True)
 
-    def preWizard(self):
+    def pre_wizard(self):
         """
         Perform pre import tasks
         """