Document model types not supported by infer_simple

Reviewed By: rbgirshick

Differential Revision: D8332717

fbshipit-source-id: a3070cd83855b5c91a3395d8bbe6c4a70774a1b9

tools/infer_simple.py

@@ -94,10 +94,17 @@ def parse_args():
 
 def main(args):
     logger = logging.getLogger(__name__)
+
     merge_cfg_from_file(args.cfg)
     cfg.NUM_GPUS = 1
     args.weights = cache_url(args.weights, cfg.DOWNLOAD_CACHE)
     assert_and_infer_cfg(cache_urls=False)
+
+    assert not cfg.MODEL.RPN_ONLY, \
+        'RPN models are not supported'
+    assert not cfg.TEST.PRECOMPUTED_PROPOSALS, \
+        'Models that require precomputed proposals are not supported'
+
     model = infer_engine.initialize_model_from_cfg(args.weights)
     dummy_coco_dataset = dummy_datasets.get_coco_dataset()