[image processor] fix glm4v (#39964)

* fix glm4v image process

* Update src/transformers/models/glm4v/image_processing_glm4v.py

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Co-authored-by: Pavel Iakubovskii <[email protected]>

Author: KeyKy

src/transformers/models/glm4v/image_processing_glm4v.py

@@ -141,7 +141,7 @@ def __init__(
         super().__init__(**kwargs)
         if size is not None and ("shortest_edge" not in size or "longest_edge" not in size):
             raise ValueError("size must contain 'shortest_edge' and 'longest_edge' keys.")
-        else:
+        elif size is None:
             size = {"shortest_edge": 112 * 112, "longest_edge": 28 * 28 * 15000}
         self.size = size