2 files changed, 5 insertions, 4 deletions
diff --git a/sphinx/pycode/__init__.py b/sphinx/pycode/__init__.py
index de951a19f..04e63b728 100644
--- a/sphinx/pycode/__init__.py
+++ b/sphinx/pycode/__init__.py
@@ -10,14 +10,15 @@
 """
 from __future__ import print_function
 
+from typing import TYPE_CHECKING
+
 from six import iteritems, BytesIO, StringIO
 
 from sphinx.errors import PycodeError
 from sphinx.pycode.parser import Parser
 from sphinx.util import get_module_source, detect_encoding
 
-if False:
-    # For type annotation
+if TYPE_CHECKING:
     from typing import Any, Dict, IO, List, Tuple  # NOQA
 
 
diff --git a/sphinx/pycode/parser.py b/sphinx/pycode/parser.py
index f15da664a..c5d9be320 100644
--- a/sphinx/pycode/parser.py
+++ b/sphinx/pycode/parser.py
@@ -15,11 +15,11 @@ import re
 import tokenize
 from token import NAME, NEWLINE, INDENT, DEDENT, NUMBER, OP, STRING
 from tokenize import COMMENT, NL
+from typing import TYPE_CHECKING
 
 from six import PY2, text_type
 
-if False:
-    # For type annotation
+if TYPE_CHECKING:
     from typing import Any, Dict, IO, List, Tuple  # NOQA
 
 comment_re = re.compile(u'^\\s*#: ?(.*)\r?\n?$')