First run of Unitxt after install is slow #1496
Description
It takes over 30 seconds for unitxt to run after first install:
conda create -n unitxt2 python=3.10
conda activate unitxt2
python -m cProfile -s cumtime examples/qa_evaluation.py
ncalls tottime percall cumtime percall filename:lineno(function)
192 0.019 0.000 132.975 0.693 __init__.py:1(<module>)
13 0.000 0.000 40.048 3.081 api.py:1(<module>)
2492/1 0.083 0.000 32.400 32.400 {built-in method builtins.exec}
1 0.000 0.000 32.400 32.400 qa_evaluation.py:1(<module>)
1862/1 0.009 0.000 32.381 32.381 <frozen importlib._bootstrap>:1022(_find_and_load)
1742/1 0.006 0.000 32.381 32.381 <frozen importlib._bootstrap>:987(_find_and_load_unlocked)
1667/1 0.008 0.000 32.380 32.380 <frozen importlib._bootstrap>:664(_load_unlocked)
1450/1 0.003 0.000 32.380 32.380 <frozen importlib._bootstrap_external>:877(exec_module)
2283/1 0.002 0.000 32.380 32.380 <frozen importlib._bootstrap>:233(_call_with_frames_removed)
1667/1655 0.004 0.000 30.633 0.019 <frozen importlib._bootstrap>:564(module_from_spec)
210/207 0.002 0.000 30.584 0.148 <frozen importlib._bootstrap_external>:1174(create_module)
210/207 30.559 0.146 30.580 0.148 {built-in method _imp.create_dynamic}
735/193 0.001 0.000 22.587 0.117 {built-in method builtins.__import__}
1745/836 0.003 0.000 20.420 0.024 <frozen importlib._bootstrap>:1053(_handle_fromlist)
1 0.000 0.000 16.150 16.150 card.py:1(<module>)
1 0.000 0.000 16.093 16.093 task.py:1(<module>)
1 0.000 0.000 16.050 16.050 metrics.py:1(<module>)
1 0.000 0.000 14.487 14.487 arrow_dataset.py:1(<module>)
1 0.000 0.000 14.277 14.277 _stats_py.py:1(<module>)
210/169 0.001 0.000 6.719 0.040 <frozen importlib._bootstrap_external>:1182(exec_module)
210/169 0.083 0.000 6.718 0.040 {built-in method _imp.exec_dynamic}
143/136 0.000 0.000 6.655 0.049 __init__.py:108(import_module)
143/136 0.000 0.000 6.655 0.049 <frozen importlib._bootstrap>:1038(_gcd_import)
35797/31732 0.006 0.000 6.630 0.000 {built-in method builtins.hasattr}
32/30 0.000 0.000 5.863 0.195 __init__.py:132(__getattr__)
1 0.000 0.000 3.403 3.403 distributions.py:1(<module>)
1 0.000 0.000 3.337 3.337 _laplacian.py:1(<module>)
1 0.000 0.000 2.525 2.525 arrow_reader.py:1(<module>)
3 0.000 0.000 2.372 0.791 generic.py:1(<module>)
1 0.000 0.000 2.031 2.031 _continuous_distns.py:1(<module>)
1 0.000 0.000 1.845 1.845 _geometric_slerp.py:1(<module>)
1 0.000 0.000 1.844 1.844 distance.py:1(<module>)
1 0.000 0.000 1.793 1.793 iterative.py:1(<module>)
1 0.000 0.000 1.702 1.702 pyarrow.py:1(<module>)
1 0.000 0.000 1.598 1.598 inspect.py:1(<module>)
1 0.000 0.000 1.598 1.598 load.py:1(<module>)
10 0.000 0.000 1.553 0.155 __init__.py:326(__getattr__)
1 0.000 0.000 1.407 1.407 download_manager.py:1(<module>)
2 0.000 0.000 1.404 0.702 parquet.py:1(<module>)