Avoid inefficient way to call functions without argument

Don't pass "()" format to PyObject_CallXXX() to call a function without
argument: pass NULL as the format string instead. It avoids to have to parse a
string to produce 0 argument.

1 files changed, 1 insertions, 1 deletions

diff --git a/Python/modsupport.c b/Python/modsupport.c
index 4911f06e44..37c0ce7864 100644
--- a/Python/modsupport.c
+++ b/Python/modsupport.c
@@ -468,7 +468,7 @@ va_build_value(const char *format, va_list va, int flags)
     int n = countformat(f, '\0');
     va_list lva;
 
-        Py_VA_COPY(lva, va);
+    Py_VA_COPY(lva, va);
 
     if (n < 0)
         return NULL;