fix np.float replacement logic

Dockerfile

@@ -29,8 +29,9 @@ RUN sed -i '/lap/d' requirements.txt && \
 RUN sed -i 's/onnx==1.8.1/onnx>=1.9.0/g' requirements.txt && \
     sed -i 's/onnxruntime==1.8.0/onnxruntime>=1.8.0/g' requirements.txt
 
-# Fix np.float in python files
-RUN find . -name "*.py" -exec sed -i 's/np.float/float/g' {} +
+# Fix np.float in python files using safe script
+COPY fix_code.py /app/ByteTrack/
+RUN python fix_code.py && rm fix_code.py
 
 # Pre-install build dependencies (Required for cython_bbox calculation)
 RUN uv pip install --system cython numpy

fix_code.py

@@ -0,0 +1,36 @@
+import os
+import re
+
+def fix_file(path):
+    with open(path, "r", encoding="utf-8", errors="ignore") as f:
+        content = f.read()
+    
+    # Replace deprecated numpy aliases with python builtins
+    # Use negative lookahead to avoid matching keys like np.float32, np.int64, etc.
+    
+    # np.float -> float
+    new_content = re.sub(r'np\.float(?![0-9_a-zA-Z])', 'float', content)
+    
+    # np.int -> int (deprecated in recent numpy)
+    new_content = re.sub(r'np\.int(?![0-9_a-zA-Z])', 'int', new_content)
+    
+    # np.bool -> bool (deprecated in recent numpy)
+    new_content = re.sub(r'np\.bool(?![0-9_a-zA-Z])', 'bool', new_content)
+
+    if new_content != content:
+        print(f"Fixed deprecated types in: {path}")
+        with open(path, "w", encoding="utf-8") as f:
+            f.write(new_content)
+
+def main():
+    print("Scanning for deprecated numpy types...")
+    for root, dirs, files in os.walk("."):
+        if ".git" in root: continue
+        for file in files:
+            if file.endswith(".py"):
+                path = os.path.join(root, file)
+                fix_file(path)
+    print("Fix complete.")
+
+if __name__ == "__main__":
+    main()