fix: remove tqdm that may cause CI test to hang#861
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yitchen-tim merged 2 commits intomainfrom Apr 3, 2026
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rmshaffer
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Apr 3, 2026
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Problem
02_Expectation_value_calculations_with_program_sets.ipynbis currently excluded from CI testing (EXCLUDED_NOTEBOOKSintest_all_notebooks.py) because it intermittently hangs during automated execution, sometimes completing in ~2 minutes and other times running until the 600-secondtestbooktimeout kills it.Hypothesis
We suspect that
tqdmmay have cause the issue. Some github issues report thattqdmcan trigger deadlock and cause programs to hang.Changes
All changes are in
02_Expectation_value_calculations_with_program_sets.ipynb:from tqdm import tqdmimport.tqdm(range(num_trials))with a plain loop that usesprint(..., end="\r")for lightweight progress reporting that doesn't flood IOPub.%%timecell magic to the two trial cells so execution time is still visible in notebook output.