Simpler api naming, remove unused include

Author: mrtj

README.md

@@ -43,7 +43,7 @@ def osd_sink_pad_buffer_probe(pad,info,u_data):
         print('user_meta:', user_meta)
         print('user_meta.user_meta_data:', user_meta.user_meta_data)
         print('user_meta.base_meta:', user_meta.base_meta)
-        if not pyds_tracker_meta.NvDsPastFrameObjBatch.user_meta_is_past_frame_obj_batch(user_meta):
+        if not pyds_tracker_meta.NvDsPastFrameObjBatch.is_in(user_meta):
             continue
         past_frame_object_batch = pyds_tracker_meta.NvDsPastFrameObjBatch.from_user_meta(user_meta)
         print('past_frame_object_batch:', past_frame_object_batch)

pyds_tracker_meta.cpp

@@ -1,4 +1,3 @@
-#include <iostream>
 #include <pybind11/pybind11.h>
 #include <pybind11/stl.h>
 #include "nvds_tracker_meta.h"
@@ -31,7 +30,7 @@ PYBIND11_MODULE(pyds_tracker_meta, m) {
             "casts the data and returns it. Otherwise returns NULL.",
             py::return_value_policy::reference)
         .def_static(
-            "user_meta_is_pfob", 
+            "is_in", 
             [](NvDsUserMeta *user_meta) {
                 return (user_meta->base_meta.meta_type == NVDS_TRACKER_PAST_FRAME_META);
             }, 
@@ -131,4 +130,4 @@ PYBIND11_MODULE(pyds_tracker_meta, m) {
         .def_readonly("confidence", &NvDsPastFrameObj::confidence)
         .def_readonly("age", &NvDsPastFrameObj::age);
 
-}
+}