add padding function to imgScalePadding()

.CondaPkg/env/include/cpython/warnings.h

@@ -1,20 +0,0 @@
-#ifndef Py_CPYTHON_WARNINGS_H
-#  error "this header file must not be included directly"
-#endif
-
-PyAPI_FUNC(int) PyErr_WarnExplicitObject(
-    PyObject *category,
-    PyObject *message,
-    PyObject *filename,
-    int lineno,
-    PyObject *module,
-    PyObject *registry);
-
-PyAPI_FUNC(int) PyErr_WarnExplicitFormat(
-    PyObject *category,
-    const char *filename, int lineno,
-    const char *module, PyObject *registry,
-    const char *format, ...);
-
-// DEPRECATED: Use PyErr_WarnEx() instead.
-#define PyErr_Warn(category, msg) PyErr_WarnEx(category, msg, 1)