reduce the usage of try ... except KeyError:

[hbaniecki]

In places where you want to check if the key is present in a dictionary, e.g. in

shapiq/shapiq/approximator/sampling.py

Lines 344 to 348 in 48e7c41

	try: # if coalition is not new
	self.sampled_coalitions_dict[paired_coalition_tuple] += 1
	except KeyError: # if coalition is new
	self.sampled_coalitions_dict[paired_coalition_tuple] = 1
	sampling_budget -= 1

shapiq/shapiq/game_theory/aggregation.py

Lines 89 to 92 in 48e7c41

	try:
	transformed_dict[interaction] += update_interaction
	except KeyError:
	transformed_dict[interaction] = update_interaction

but there might be more