Merge branch 'master' into python3

jedi/inference/compiled/mixed.py

@@ -69,12 +69,22 @@ class MixedObject(ValueWrapper):
         else:
             return self.compiled_value.get_safe_value(default)
 
+    @property
+    def array_type(self):
+        return self.compiled_value.array_type
+
+    def get_key_values(self):
+        return self.compiled_value.get_key_values()
+
     def py__simple_getitem__(self, index):
         python_object = self.compiled_value.access_handle.access._obj
         if type(python_object) in ALLOWED_GETITEM_TYPES:
             return self.compiled_value.py__simple_getitem__(index)
         return self._wrapped_value.py__simple_getitem__(index)
 
+    def negate(self):
+        return self.compiled_value.negate()
+
     def _as_context(self):
         if self.parent_context is None:
             return MixedModuleContext(self)

jedi/inference/compiled/subprocess/__init__.py

@@ -165,21 +165,12 @@ class InferenceStateSubprocess(_InferenceStateProcess):
 class CompiledSubprocess(object):
     is_crashed = False
 
-    def __init__(self, executable, env_vars={}):
+    def __init__(self, executable, env_vars=None):
         self._executable = executable
-        self._env_vars = dict(env_vars)
+        self._env_vars = env_vars
         self._inference_state_deletion_queue = queue.deque()
         self._cleanup_callable = lambda: None
 
-        # Use explicit envionment to ensure reliable results (#1540)
-        if os.name == 'nt':
-            # if SYSTEMROOT (or case variant) exists in environment,
-            # ensure it goes to subprocess
-            for k, v in os.environ.items():
-                if 'SYSTEMROOT' == k.upper():
-                    self._env_vars.update({k: os.environ[k]})
-                    break  # don't risk multiple entries
-
     def __repr__(self):
         pid = os.getpid()
         return '<%s _executable=%r, is_crashed=%r, pid=%r>' % (