Raise LookupError in partition_all when length is invalid - Unit Tests#1

CodeBeaverAI wants to merge 2 commits intomasterCodeBeaverAI/toolz:masterfrom

codebeaver/602-errors-are-no-fun-but-they-are-more-fun-than-bad-data-603CodeBeaverAI/toolz:codebeaver/602-errors-are-no-fun-but-they-are-more-fun-than-bad-data-603Copy head branch name to clipboard