Fix missing imports (#627)

* Fix missing imports

* Update detect.py

Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

detect.py

@@ -12,7 +12,8 @@ from numpy import random
 
 from models.experimental import attempt_load
 from utils.datasets import LoadStreams, LoadImages
-from utils.general import check_img_size, non_max_suppression, apply_classifier, scale_coords, xyxy2xywh, plot_one_box
+from utils.general import (
+    check_img_size, non_max_suppression, apply_classifier, scale_coords, xyxy2xywh, plot_one_box, strip_optimizer)
 from utils.torch_utils import select_device, load_classifier, time_synchronized
 
 

train.py

@@ -24,7 +24,7 @@ from utils.datasets import create_dataloader
 from utils.general import (
     check_img_size, torch_distributed_zero_first, labels_to_class_weights, plot_labels, check_anchors,
     labels_to_image_weights, compute_loss, plot_images, fitness, strip_optimizer, plot_results,
-    get_latest_run, check_git_status, check_file, increment_dir, print_mutation)
+    get_latest_run, check_git_status, check_file, increment_dir, print_mutation, plot_evolution)
 from utils.google_utils import attempt_download
 from utils.torch_utils import init_seeds, ModelEMA, select_device