Increase maximum recursion depth. Makes sense for very complicated code (completions within Jedi), since Jedi itself uses so many recursions.

jedi/api/__init__.py

@@ -11,6 +11,7 @@ possible.
 import re
 import os
 import warnings
+import sys
 from itertools import chain
 
 from jedi._compatibility import next, unicode, builtins
@@ -35,6 +36,10 @@ from jedi.evaluate.helpers import FakeName
 from jedi.evaluate.finder import get_names_of_scope
 from jedi.evaluate.helpers import search_call_signatures
 
+# Jedi uses lots and lots of recursion. By setting this a little bit higher, we
+# can remove some "maximum recursion depth" errors.
+sys.setrecursionlimit(2000)
+
 
 class NotFoundError(Exception):
     """A custom error to avoid catching the wrong exceptions."""

jedi/evaluate/dynamic.py

@@ -27,6 +27,7 @@ from jedi.evaluate import imports
 # This is something like the sys.path, but only for searching params. It means
 # that this is the order in which Jedi searches params.
 search_param_modules = ['.']
+import sys
 
 
 class ParamListener(object):