Merge pull request #5803 from jdufresne/encoding-utf8

Avoid respecifying default encoding for .encode()/.decode() calls

2 files changed, 2 insertions, 2 deletions

diff --git a/sphinx/pycode/__init__.py b/sphinx/pycode/__init__.py
index e3e80772c..e2538ad27 100644
--- a/sphinx/pycode/__init__.py
+++ b/sphinx/pycode/__init__.py
@@ -55,7 +55,7 @@ class ModuleAnalyzer:
         eggpath, relpath = re.split('(?<=\\.egg)/', filename)
         try:
             with ZipFile(eggpath) as egg:
-                code = egg.read(relpath).decode('utf-8')
+                code = egg.read(relpath).decode()
                 return cls.for_string(code, modname, filename)
         except Exception as exc:
             raise PycodeError('error opening %r' % filename, exc)
diff --git a/sphinx/pycode/parser.py b/sphinx/pycode/parser.py
index 71630aa3d..09dd8c635 100644
--- a/sphinx/pycode/parser.py
+++ b/sphinx/pycode/parser.py
@@ -480,7 +480,7 @@ class Parser:
     def parse_comments(self):
         # type: () -> None
         """Parse the code and pick up comments."""
-        tree = ast.parse(self.code.encode('utf-8'))
+        tree = ast.parse(self.code.encode())
         picker = VariableCommentPicker(self.code.splitlines(True), self.encoding)
         picker.visit(tree)
         self.comments = picker.comments