Merge pull request #7976 from WenmuZhou/tipc3

only in DRRG import DRRGHead

ppocr/modeling/heads/__init__.py

@@ -24,7 +24,6 @@ def build_head(config):
     from .det_fce_head import FCEHead
     from .e2e_pg_head import PGHead
     from .det_ct_head import CT_Head
-    from .det_drrg_head import DRRGHead
 
     # rec head
     from .rec_ctc_head import CTCHead
@@ -59,6 +58,10 @@ def build_head(config):
         'DRRGHead'
     ]
 
+    if config['name'] == 'DRRGHead':
+        from .det_drrg_head import DRRGHead
+        support_dict.append('DRRGHead')
+
     #table head
 
     module_name = config.pop('name')