set highest import priority for current dir (#4020)

tools/anchor_cluster.py

@@ -20,8 +20,7 @@ import os
 import sys
 # add python path of PadleDetection to sys.path
 parent_path = os.path.abspath(os.path.join(__file__, *(['..'] * 2)))
-if parent_path not in sys.path:
-    sys.path.append(parent_path)
+sys.path.insert(0, parent_path)
 
 from ppdet.utils.logger import setup_logger
 logger = setup_logger('ppdet.anchor_cluster')

tools/eval.py

@@ -21,8 +21,7 @@ import sys
 
 # add python path of PadleDetection to sys.path
 parent_path = os.path.abspath(os.path.join(__file__, *(['..'] * 2)))
-if parent_path not in sys.path:
-    sys.path.append(parent_path)
+sys.path.insert(0, parent_path)
 
 # ignore warning log
 import warnings

tools/eval_mot.py

@@ -21,8 +21,7 @@ import sys
 
 # add python path of PadleDetection to sys.path
 parent_path = os.path.abspath(os.path.join(__file__, *(['..'] * 2)))
-if parent_path not in sys.path:
-    sys.path.append(parent_path)
+sys.path.insert(0, parent_path)
 
 # ignore warning log
 import warnings

tools/export_model.py

@@ -21,8 +21,7 @@ import sys
 
 # add python path of PadleDetection to sys.path
 parent_path = os.path.abspath(os.path.join(__file__, *(['..'] * 2)))
-if parent_path not in sys.path:
-    sys.path.append(parent_path)
+sys.path.insert(0, parent_path)
 
 # ignore warning log
 import warnings

tools/infer.py

@@ -21,8 +21,7 @@ import sys
 
 # add python path of PadleDetection to sys.path
 parent_path = os.path.abspath(os.path.join(__file__, *(['..'] * 2)))
-if parent_path not in sys.path:
-    sys.path.append(parent_path)
+sys.path.insert(0, parent_path)
 
 # ignore warning log
 import warnings

tools/infer_mot.py

@@ -21,8 +21,7 @@ import sys
 
 # add python path of PadleDetection to sys.path
 parent_path = os.path.abspath(os.path.join(__file__, *(['..'] * 2)))
-if parent_path not in sys.path:
-    sys.path.append(parent_path)
+sys.path.insert(0, parent_path)
 
 # ignore warning log
 import warnings

tools/train.py

@@ -21,8 +21,7 @@ import sys
 
 # add python path of PadleDetection to sys.path
 parent_path = os.path.abspath(os.path.join(__file__, *(['..'] * 2)))
-if parent_path not in sys.path:
-    sys.path.append(parent_path)
+sys.path.insert(0, parent_path)
 
 # ignore warning log
 import warnings