Seed the randomness for this test. ``seed`` may be any hashable object. No exact meaning for ``seed`` is provided other than that for a

Provides a strategy for producing a :class:`pandas.Series`. Arguments: * elements: a strategy that will be used to generate the individual

Runs initial setup code. Convenience function for children that doesn't require messing with the signature of init.

Possibly attempt to do some shrinking. If this returns True, the ``run`` method will terminate early without doing any more work.

Guarantees that for each i we have tried to swap index i with index i + 1. This uses an adaptive algorithm that works by sorting cont

Guarantees that for each i we have tried to swap index i with index i + 2. This uses an adaptive algorithm that works by sorting cont

Marks the end of a semantically meaningful span of choices. ``discard`` is ``True`` when the draw was filtered out or otherwise marked

Marks the beginning of a semantically meaningful span of choices. Spans are a depth-first tree structure. A span is opened by a call to

Splits the tree so that it can incorporate a decision at the draw call corresponding to the node at position i. Raises Flaky

Called at the start of each span, with ``i`` the index of the span and ``label_index`` the index of its label in ``self.spans.labels``

Called at the end of each span, with ``i`` the index of the span and ``discarded`` being ``True`` if ``stop_span`` was called with ``d

Patches have whitespace-only lines; strip that out.

Swap the elements ls[i], ls[j].

Print a list of all task names supported by the build system.

Called after a run has finished executing to clean up any necessary state. Does nothing by default.