fix windows bugs (#30)

groundingdino/util/slconfig.py

@@ -2,6 +2,7 @@
 # Modified from mmcv
 # ==========================================================
 import ast
+import os
 import os.path as osp
 import shutil
 import sys
@@ -80,6 +81,8 @@ class SLConfig(object):
             with tempfile.TemporaryDirectory() as temp_config_dir:
                 temp_config_file = tempfile.NamedTemporaryFile(dir=temp_config_dir, suffix=".py")
                 temp_config_name = osp.basename(temp_config_file.name)
+                if os.name == 'nt':
+                    temp_config_file.close()
                 shutil.copyfile(filename, osp.join(temp_config_dir, temp_config_name))
                 temp_module_name = osp.splitext(temp_config_name)[0]
                 sys.path.insert(0, temp_config_dir)