Do not always import module used only in debug mode

weboob/tools/browser2/browser.py

@@ -24,9 +24,7 @@ try:
     from urllib.parse import urlparse, urljoin
 except ImportError:
     from urlparse import urlparse, urljoin
-import mimetypes
 import os
-import tempfile
 import sys
 
 try:
@@ -160,11 +158,13 @@ class BaseBrowser(object):
 
     def _save(self, response, warning=False, **kwargs):
         if self.responses_dirname is None:
+            import tempfile
             self.responses_dirname = tempfile.mkdtemp(prefix='weboob_session_')
             print('Debug data will be saved in this directory: %s' % self.responses_dirname, file=sys.stderr)
         elif not os.path.isdir(self.responses_dirname):
             os.makedirs(self.responses_dirname)
 
+        import mimetypes
         # get the content-type, remove optionnal charset part
         mimetype = response.headers.get('Content-Type', '').split(';')[0]
         # due to http://bugs.python.org/issue1043134