To be able to customize ContextSet, move a subclass to evaluate.context

jedi/evaluate/compiled/__init__.py

@@ -13,9 +13,8 @@ from jedi import debug
 from jedi.cache import underscore_memoization, memoize_method
 from jedi.evaluate.filters import AbstractFilter, AbstractNameDefinition, \
     ContextNameMixin
-from jedi.evaluate.context import Context, LazyKnownContext
+from jedi.evaluate.context import Context, LazyKnownContext, ContextSet
 from jedi.evaluate.compiled.getattr_static import getattr_static
-from jedi.common import ContextSet
 from . import fake