# BYTETracker Error(AttributeError: module 'numpy' has no attribute 'float') **URL:** \ **Category:** šŸ¤ Community Help\ **Created:** [March 16, 2024, 4:44am UTC](https://discuss.roboflow.com/t/bytetracker-error-attributeerror-module-numpy-has-no-attribute-float/4851 "2024-03-16T04:44:39Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![JASONPAQUIBULAN](https://yyz1.discourse-cdn.com/flex029/user_avatar/discuss.roboflow.com/jasonpaquibulan/32/3008_2.png) [@JASONPAQUIBULAN](https://discuss.roboflow.com/u/JASONPAQUIBULAN)\ **Post date:** [March 16, 2024, 4:44am UTC](https://discuss.roboflow.com/t/bytetracker-error-attributeerror-module-numpy-has-no-attribute-float/4851/1 "2024-03-16T04:44:39Z")
iā€™m getting this error why running BYTETracker in Google Collab. AttributeError: module ā€˜numpyā€™ has no attribute ā€˜floatā€™. `np.float` was a deprecated alias for the builtin `float`. To avoid this error in existing code, use `float` by itself. Doing this will not modify any behavior and is safe. If you specifically wanted the numpy scalar type, use `np.float64` here. The aliases was originally deprecated in NumPy 1.20; for more details and guidance see the original release note at: [NumPy 1.20.0 Release Notes ā€” NumPy v2.1.dev0 Manual](https://numpy.org/devdocs/release/1.20.0-notes.html#deprecations) Help me pleaseā€¦ ā˜¹ ![BYTETRACKER ERROR](https://canada1.discourse-cdn.com/flex029/uploads/roboflow1/original/2X/3/39fef9ce421200eda6993e9cf494ced1d23204e0.jpeg) ---
**Author:** ![JASONPAQUIBULAN](https://yyz1.discourse-cdn.com/flex029/user_avatar/discuss.roboflow.com/jasonpaquibulan/32/3008_2.png) [@JASONPAQUIBULAN](https://discuss.roboflow.com/u/JASONPAQUIBULAN)\ **Post date:** [March 17, 2024, 3:32am UTC](https://discuss.roboflow.com/t/bytetracker-error-attributeerror-module-numpy-has-no-attribute-float/4851/2 "2024-03-17T03:32:45Z")
solve the problem by downgrading the numpy to 1.22.4 > > > \### Search before asking > > \- \[X\] I have searched the Roboflow Notebooks \[issues\](ā€¦https://github.com/roboflow-ai/notebooks/issues) and found no similar bug report. > > > \### Notebook name > > how-to-track-and-count-vehicles-with-yolov8.ipynb > > \### Bug > > File "/opt/homebrew/anaconda3/envs/roboflow/lib/python3.10/site-packages/numpy/\_\_init\_\_.py", line 313, in \_\_getattr\_\_ > raise AttributeError(\_\_former\_attrs\_\_\[attr\]) > AttributeError: module 'numpy' has no attribute 'float'. > \`np.float\` was a deprecated alias for the builtin \`float\`. To avoid this error in existing code, use \`float\` by itself. Doing this will not modify any behavior and is safe. If you specifically wanted the numpy scalar type, use \`np.float64\` here. > The aliases was originally deprecated in NumPy 1.20; for more details and guidance see the original release note at: > https://numpy.org/devdocs/release/1.20.0-notes.html#deprecations > > \### Environment > > Python 3.10.12 | packaged by conda-forge > Macbook pro > > > pip install cython\_bbox > Collecting cython\_bbox > Using cached cython\_bbox-0.1.3.tar.gz (41 kB) > Preparing metadata (setup.py) ... done > Building wheels for collected packages: cython\_bbox > Building wheel for cython\_bbox (setup.py) ... done > Created wheel for cython\_bbox: filename=cython\_bbox-0.1.3-cp310-cp310-macosx\_11\_0\_arm64.whl size=17022 sha256=5655fbb95198577e3d5edef8fe8869aa15854a286bfb09c3c8a4ccd94e7c95ac > Stored in directory: /Users/thiruviji/Library/Caches/pip/wheels/33/f2/fc/4a4b0f3870075d64eb15a38c9ecb3c3d582677ee5f2f2e8939 > Successfully built cython\_bbox > Installing collected packages: cython\_bbox > Successfully installed cython\_bbox-0.1.3 > > \>\>\> from yolox.tracker.byte\_tracker import BYTETracker, STrack > Traceback (most recent call last): > File "\", line 1, in \ > File "/Users/thiruviji/Bi3/roboflow/ByteTrack/yolox/tracker/byte\_tracker.py", line 10, in \ > from yolox.tracker import matching > File "/Users/thiruviji/Bi3/roboflow/ByteTrack/yolox/tracker/matching.py", line 7, in \ > from cython\_bbox import bbox\_overlaps as bbox\_ious > File "src/cython\_bbox.pyx", line 12, in init cython\_bbox > File "/opt/homebrew/anaconda3/envs/roboflow/lib/python3.10/site-packages/numpy/\_\_init\_\_.py", line 313, in \_\_getattr\_\_ > raise AttributeError(\_\_former\_attrs\_\_\[attr\]) > AttributeError: module 'numpy' has no attribute 'float'. > \`np.float\` was a deprecated alias for the builtin \`float\`. To avoid this error in existing code, use \`float\` by itself. Doing this will not modify any behavior and is safe. If you specifically wanted the numpy scalar type, use \`np.float64\` here. > The aliases was originally deprecated in NumPy 1.20; for more details and guidance see the original release note at: > https://numpy.org/devdocs/release/1.20.0-notes.html#deprecations > > \### Minimal Reproducible Example > > thiruviji@Thiruvijis-MBP ByteTrack % python > Python 3.10.12 | packaged by conda-forge | (main, Jun 23 2023, 22:41:52) \[Clang 15.0.7 \] on darwin > Type "help", "copyright", "credits" or "license" for more information. > \>\>\> import yolox > \>\>\> print("yolox.\_\_version\_\_:", yolox.\_\_version\_\_) > yolox.\_\_version\_\_: 0.1.0 > \>\>\> from yolox.tracker.byte\_tracker import BYTETracker, STrack > Traceback (most recent call last): > File "\", line 1, in \ > File "/Users/thiruviji/Bi3/roboflow/ByteTrack/yolox/tracker/byte\_tracker.py", line 10, in \ > from yolox.tracker import matching > File "/Users/thiruviji/Bi3/roboflow/ByteTrack/yolox/tracker/matching.py", line 7, in \ > from cython\_bbox import bbox\_overlaps as bbox\_ious > File "src/cython\_bbox.pyx", line 12, in init cython\_bbox > File "/opt/homebrew/anaconda3/envs/roboflow/lib/python3.10/site-packages/numpy/\_\_init\_\_.py", line 313, in \_\_getattr\_\_ > raise AttributeError(\_\_former\_attrs\_\_\[attr\]) > AttributeError: module 'numpy' has no attribute 'float'. > \`np.float\` was a deprecated alias for the builtin \`float\`. To avoid this error in existing code, use \`float\` by itself. Doing this will not modify any behavior and is safe. If you specifically wanted the numpy scalar type, use \`np.float64\` here. > The aliases was originally deprecated in NumPy 1.20; for more details and guidance see the original release note at: > https://numpy.org/devdocs/release/1.20.0-notes.html#deprecations > > \### Additional > > \_No response\_ > > \### Are you willing to submit a PR? > > \- \[\] Yes I'd like to help by submitting a PR! ---
**Author:** ![leo](https://yyz1.discourse-cdn.com/flex029/user_avatar/discuss.roboflow.com/leo/32/2228_2.png) [@leo](https://discuss.roboflow.com/u/leo)\ **Post date:** [March 17, 2024, 4:14am UTC](https://discuss.roboflow.com/t/bytetracker-error-attributeerror-module-numpy-has-no-attribute-float/4851/3 "2024-03-17T04:14:23Z")
Awesome! Thank you for sharing your solution! ---
**Author:** ![system](https://canada1.discourse-cdn.com/flex029/uploads/roboflow1/original/1X/bb6edbfa56d0cf2ee603f061e9e09103502cc8cc.png) [@system](https://discuss.roboflow.com/u/system)\ **Post date:** [March 24, 2024, 4:14am UTC](https://discuss.roboflow.com/t/bytetracker-error-attributeerror-module-numpy-has-no-attribute-float/4851/4 "2024-03-24T04:14:56Z")
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