Update tokenization_qwen.py

tokenization_qwen.py

@@ -20,7 +20,6 @@ from PIL import ImageDraw
 from transformers import PreTrainedTokenizer, AddedToken
 from transformers.utils import try_to_load_from_cache
 
-import matplotlib.pyplot as plt
 import matplotlib.colors as mcolors
 from matplotlib.font_manager import FontProperties
 
@@ -419,7 +418,7 @@ class QWenTokenizer(PreTrainedTokenizer):
             image = Image.open(requests.get(image, stream=True).raw).convert("RGB")
             h, w = image.height, image.width
         else:
-            image = plt.imread(image)
+            image = np.asarray(Image.open(image).convert("RGB"))
             h, w = image.shape[0], image.shape[1]
         visualizer = Visualizer(image)