Removed type annotations for StringIO family in favor of python-skeletons
DB: unify editor & console tables header menus
don't createNewFile in assertion, running without -ea will ruin side effect
avoid O(N^2) for processing create or delete events (N number of such additions / removals)
Don't use relative import resolving for references in user skeletons
EA-48784 (assert: ConditionalExpressionWithIdenticalBranchesInspection$CollapseConditional.doFix)
Merge branch 'python-fixes'