diff --git a/jedi/api/__init__.py b/jedi/api/__init__.py
index 86ab8ac4..d5c8e93b 100644
--- a/jedi/api/__init__.py
+++ b/jedi/api/__init__.py
@@ -78,7 +78,7 @@ class Script(object):
     :param sys_path: ``sys.path`` to use during analysis of the script
     :type sys_path: list
     :param environment: TODO
-    :type sys_path: Environment
+    :type environment: Environment
     """
     def __init__(self, source=None, line=None, column=None, path=None,
                  encoding='utf-8', sys_path=None, environment=None):
diff --git a/jedi/api/environment.py b/jedi/api/environment.py
index a6616c5a..0d2b6729 100644
--- a/jedi/api/environment.py
+++ b/jedi/api/environment.py
@@ -154,7 +154,11 @@ def _get_virtual_env_from_var():
     """
     var = os.environ.get('VIRTUAL_ENV')
     if var:
-        if var == sys.prefix:
+        # Under macOS in some cases - notably when using Pipenv - the
+        # sys.prefix of the virtualenv is /path/to/env/bin/.. instead of
+        # /path/to/env so we need to fully resolve the paths in order to
+        # compare them.
+        if os.path.realpath(var) == os.path.realpath(sys.prefix):
             return _try_get_same_env()
 
         try:
diff --git a/test/test_evaluate/test_imports.py b/test/test_evaluate/test_imports.py
index ff38efca..fe0145f8 100644
--- a/test/test_evaluate/test_imports.py
+++ b/test/test_evaluate/test_imports.py
@@ -133,13 +133,13 @@ def test_cache_works_with_sys_path_param(Script, tmpdir):
 def test_import_completion_docstring(Script):
     import abc
     s = Script('"""test"""\nimport ab')
-    completions = s.completions()
-    assert len(completions) == 1
-    assert completions[0].docstring(fast=False) == abc.__doc__
+    abc_completions = [c for c in s.completions() if c.name == 'abc']
+    assert len(abc_completions) == 1
+    assert abc_completions[0].docstring(fast=False) == abc.__doc__
 
     # However for performance reasons not all modules are loaded and the
     # docstring is empty in this case.
-    assert completions[0].docstring() == ''
+    assert abc_completions[0].docstring() == ''
 
 
 def test_goto_definition_on_import(Script):