diff --git a/_pytest/assertion/__init__.py b/_pytest/assertion/__init__.py
index 271a2e7d5..c231a4769 100644
--- a/_pytest/assertion/__init__.py
+++ b/_pytest/assertion/__init__.py
@@ -5,7 +5,6 @@ import py
 import os
 import sys
 
-from _pytest.monkeypatch import monkeypatch
 from _pytest.assertion import util
 from _pytest.assertion import rewrite
 
@@ -79,7 +78,8 @@ def install_importhook(config, mode):
     config._assertstate = AssertionState(config, mode)
 
     _load_modules(mode)
-    m = monkeypatch()
+    from _pytest.monkeypatch import MonkeyPatch
+    m = MonkeyPatch()
     config._cleanup.append(m.undo)
     m.setattr(py.builtin.builtins, 'AssertionError',
               reinterpret.AssertionError)  # noqa
diff --git a/_pytest/config.py b/_pytest/config.py
index 536c2fb34..f931027d1 100644
--- a/_pytest/config.py
+++ b/_pytest/config.py
@@ -976,10 +976,7 @@ class Config(object):
         entrypoint_name = 'pytest11'
         self._consider_importhook(args, entrypoint_name)
         self.pluginmanager.consider_preparse(args)
-        try:
-            self.pluginmanager.load_setuptools_entrypoints(entrypoint_name)
-        except ImportError as e:
-            self.warn("I2", "could not load setuptools entry import: %s" % (e,))
+        self.pluginmanager.load_setuptools_entrypoints(entrypoint_name)
         self.pluginmanager.consider_env()
         self.known_args_namespace = ns = self._parser.parse_known_args(args, namespace=self.option.copy())
         if self.known_args_namespace.confcutdir is None and self.inifile:
diff --git a/testing/test_config.py b/testing/test_config.py
index 57c95cd50..6a576da12 100644
--- a/testing/test_config.py
+++ b/testing/test_config.py
@@ -400,9 +400,14 @@ def test_setuptools_importerror_issue1479(testdir, monkeypatch):
     pkg_resources = pytest.importorskip("pkg_resources")
     def my_iter(name):
         assert name == "pytest11"
+        class Dist:
+            project_name = 'spam'
+            version = '1.0'
+            def _get_metadata(self, name):
+                return ['foo.txt,sha256=abc,123']
         class EntryPoint:
             name = "mytestplugin"
-            dist = None
+            dist = Dist()
             def load(self):
                 raise ImportError("Don't hide me!")
         return iter([EntryPoint()])
@@ -697,4 +702,4 @@ class TestOverrideIniArgs:
             "ini2:url=/tmp/user2?a=b&d=e",
             "ini3:True",
             "ini4:False"
-        ])
\ No newline at end of file
+        ])