Fix generate script to output black-compatible code

MetaTools/buildTableList.py

@@ -31,7 +31,7 @@ tables.sort()
 
 with open(os.path.join(tablesDir, "__init__.py"), "w") as file:
     file.write(
-        '''
+        '''\
 # DON'T EDIT! This file is generated by MetaTools/buildTableList.py.
 def _moduleFinderHint():
     """Dummy function to let modulefinder know what tables may be
@@ -43,12 +43,15 @@ def _moduleFinderHint():
     )
 
     for module in modules:
-        file.write("\tfrom . import %s\n" % module)
+        file.write("    from . import %s\n" % module)
+
+    file.write("\n")
 
     file.write(
         """
 if __name__ == "__main__":
     import doctest, sys
+
     sys.exit(doctest.testmod().failed)
 """
     )