diff --git a/_pytest/monkeypatch.py b/_pytest/monkeypatch.py
index c394d23bb..4d3abc0dc 100644
--- a/_pytest/monkeypatch.py
+++ b/_pytest/monkeypatch.py
@@ -1,7 +1,6 @@
 """ monkeypatching and mocking functionality.  """
 
-import os, sys, inspect
-import pytest
+import os, sys
 
 def pytest_funcarg__monkeypatch(request):
     """The returned ``monkeypatch`` funcarg provides these
@@ -28,6 +27,7 @@ def pytest_funcarg__monkeypatch(request):
 
 
 def derive_importpath(import_path):
+    import pytest
     if not isinstance(import_path, str) or "." not in import_path:
         raise TypeError("must be absolute import path string, not %r" %
                         (import_path,))
@@ -82,6 +82,7 @@ class monkeypatch:
         which means it will raise).
         """
         __tracebackhide__ = True
+        import inspect
 
         if value is notset:
             if not isinstance(target, str):
diff --git a/_pytest/terminal.py b/_pytest/terminal.py
index 1e928dc7d..ab132d45e 100644
--- a/_pytest/terminal.py
+++ b/_pytest/terminal.py
@@ -37,11 +37,11 @@ def pytest_configure(config):
     # we try hard to make printing resilient against
     # later changes on FD level. (unless capturing is off/sys)
     stdout = sys.stdout
-    if hasattr(os, "dup"):
+    if hasattr(os, "dup") and hasattr(stdout, "fileno"):
         try:
             newstdout = py.io.dupfile(stdout, buffering=1,
                                       encoding=stdout.encoding)
-        except ValueError:
+        except (AttributeError, ValueError):
             pass
         else:
             assert stdout.encoding == newstdout.encoding