Database locked about vizier HOT 5 CLOSED

from vizier import service
from vizier.service import clients
from vizier.service import pyvizier as vz

problem = vz.ProblemStatement()
problem.search_space.root.add_float_param('chocolate', 0.0, 1.0)
problem.metric_information.append(vz.MetricInformation(name='taste', goal=vz.ObjectiveMetricGoal.MAXIMIZE))

def evaluate(chocolate: float) -> float:
	return 1-2*(chocolate -.3)**2
	
study_config = vz.StudyConfig.from_problem(problem)
study_config.algorithm = 'GAUSSIAN_PROCESS_BANDIT'  

study_client = clients.Study.from_study_config(study_config, owner='bhawandeepsingh', study_id='cookie_study_0')
print('****************Local SQL database file located at: ', service.VIZIER_DB_PATH)

for _ in range(1) :
	suggestions = study_client.suggest(count=1)
	for suggestion in suggestions :
		chocolate = suggestion.parameters['chocolate']
		objective = evaluate(chocolate)
		print (chocolate, objective)
		final_measurement = vz.Measurement({'taste': objective})
		suggestion.complete(final_measurement)