Inline list and dict comprehensions (#562)

Non-functional change.

Author: kleisauke

pyvips/base.py

@@ -117,10 +117,8 @@ def values_for_enum(gtype):
     g_type_class = gobject_lib.g_type_class_ref(gtype)
     g_enum_class = ffi.cast('GEnumClass *', g_type_class)
 
-    result = [_to_string(g_enum_class.values[i].value_nick)
-              for i in range(g_enum_class.n_values)]
-
-    return result
+    return [_to_string(g_enum_class.values[i].value_nick)
+            for i in range(g_enum_class.n_values)]
 
 
 def values_for_flag(gtype):
@@ -139,11 +137,9 @@ def enum_dict(gtype):
     g_type_class = gobject_lib.g_type_class_ref(gtype)
     g_enum_class = ffi.cast('GEnumClass *', g_type_class)
 
-    result = {_to_string(g_enum_class.values[i].value_nick):
-              g_enum_class.values[i].value
-              for i in range(g_enum_class.n_values)}
-
-    return result
+    return {_to_string(g_enum_class.values[i].value_nick):
+            g_enum_class.values[i].value
+            for i in range(g_enum_class.n_values)}
 
 
 def flags_dict(gtype):