Add check_requirements() (#1853)

* Add check_requirements()

* add import

* parameterize filename

* add to detect, test

test.py

@@ -11,8 +11,8 @@ from tqdm import tqdm
 
 from models.experimental import attempt_load
 from utils.datasets import create_dataloader
-from utils.general import coco80_to_coco91_class, check_dataset, check_file, check_img_size, box_iou, \
-    non_max_suppression, scale_coords, xyxy2xywh, xywh2xyxy, set_logging, increment_path
+from utils.general import coco80_to_coco91_class, check_dataset, check_file, check_img_size, check_requirements, \
+    box_iou, non_max_suppression, scale_coords, xyxy2xywh, xywh2xyxy, set_logging, increment_path
 from utils.loss import compute_loss
 from utils.metrics import ap_per_class, ConfusionMatrix
 from utils.plots import plot_images, output_to_target, plot_study_txt
@@ -302,6 +302,7 @@ if __name__ == '__main__':
     opt.save_json |= opt.data.endswith('coco.yaml')
     opt.data = check_file(opt.data)  # check file
     print(opt)
+    check_requirements()
 
     if opt.task in ['val', 'test']:  # run normally
         test(opt.data,