[BUG] Process isinstance check can fail in trajectory code during lazy import

[lohedges]

This isinstance check for Process objects

biosimspace/python/BioSimSpace/Trajectory/_trajectory.py

Lines 397 to 409 in b530cb1

	# BioSimSpace process.
	if process is not None:
	if isinstance(process, _Process):
	self._process = process
	process_name = process.__class__.__name__
	# Check that the process can generate a trajectory.
	if not self._process._has_trajectory:
	raise ValueError(
	"BioSimSpace.Process.%s cannot generate a trajectory!"
	% process_name
	)
	else:
	raise TypeError("'process' must be of type 'BioSimSpace.Process'.")

can fail due to lazy importing, particularly for derived process classes, i.e. those that derive from Process.OpenMM.