7 files changed, 1 insertions, 14 deletions
diff --git a/Lib/email/_header_value_parser.py b/Lib/email/_header_value_parser.py
index 04ab84c..3dc5502 100644
--- a/Lib/email/_header_value_parser.py
+++ b/Lib/email/_header_value_parser.py
@@ -70,7 +70,7 @@ XXX: provide complete list of token types.
 import re
 import urllib   # For urllib.parse.unquote
 from string import hexdigits
-from collections import namedtuple, OrderedDict
+from collections import OrderedDict
 from email import _encoded_words as _ew
 from email import errors
 from email import utils
diff --git a/Lib/email/generator.py b/Lib/email/generator.py
index e4a86d4..1535210 100644
--- a/Lib/email/generator.py
+++ b/Lib/email/generator.py
@@ -10,14 +10,10 @@ import re
 import sys
 import time
 import random
-import warnings
 
 from copy import deepcopy
 from io import StringIO, BytesIO
-from email._policybase import compat32
-from email.header import Header
 from email.utils import _has_surrogates
-import email.charset as _charset
 
 UNDERSCORE = '_'
 NL = '\n'  # XXX: no longer used by the code below.
diff --git a/Lib/email/header.py b/Lib/email/header.py
index 5bd0638..9c89589 100644
--- a/Lib/email/header.py
+++ b/Lib/email/header.py
@@ -100,7 +100,6 @@ def decode_header(header):
                 words.append((encoded, encoding, charset))
     # Now loop over words and remove words that consist of whitespace
     # between two encoded strings.
-    import sys
     droplist = []
     for n, w in enumerate(words):
         if n>1 and w[1] and words[n-2][1] and words[n-1][0].isspace():
@@ -362,7 +361,6 @@ class Header:
         for string, charset in self._chunks:
             if hasspace is not None:
                 hasspace = string and self._nonctext(string[0])
-                import sys
                 if lastcs not in (None, 'us-ascii'):
                     if not hasspace or charset not in (None, 'us-ascii'):
                         formatter.add_transition()
diff --git a/Lib/email/mime/text.py b/Lib/email/mime/text.py
index 3b5b09f..ec18b85 100644
--- a/Lib/email/mime/text.py
+++ b/Lib/email/mime/text.py
@@ -6,7 +6,6 @@
 
 __all__ = ['MIMEText']
 
-from email.encoders import encode_7or8bit
 from email.mime.nonmultipart import MIMENonMultipart
 
 
diff --git a/Lib/email/parser.py b/Lib/email/parser.py
index ed512b1..9f5f95d 100644
--- a/Lib/email/parser.py
+++ b/Lib/email/parser.py
@@ -7,11 +7,9 @@
 __all__ = ['Parser', 'HeaderParser', 'BytesParser', 'BytesHeaderParser',
            'FeedParser', 'BytesFeedParser']
 
-import warnings
 from io import StringIO, TextIOWrapper
 
 from email.feedparser import FeedParser, BytesFeedParser
-from email.message import Message
 from email._policybase import compat32
 
 
diff --git a/Lib/email/quoprimime.py b/Lib/email/quoprimime.py
index 30bf916..c1fe2b4 100644
--- a/Lib/email/quoprimime.py
+++ b/Lib/email/quoprimime.py
@@ -40,7 +40,6 @@ __all__ = [
     ]
 
 import re
-import io
 
 from string import ascii_letters, digits, hexdigits
 
diff --git a/Lib/email/utils.py b/Lib/email/utils.py
index 95855d8..17f01bc 100644
--- a/Lib/email/utils.py
+++ b/Lib/email/utils.py
@@ -25,13 +25,10 @@ __all__ = [
 import os
 import re
 import time
-import base64
 import random
 import socket
 import datetime
 import urllib.parse
-import warnings
-from io import StringIO
 
 from email._parseaddr import quote
 from email._parseaddr import AddressList as _AddressList