py3: use b64encode (#46576)

passerelle_minint/minint_maarch/views.py

@@ -14,10 +14,11 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import requests
+import base64
 from datetime import datetime
 import logging
 import re
+import requests
 
 from django.views.generic import DetailView as GenericDetailView
 from django.utils.decorators import method_decorator
@@ -165,7 +166,7 @@ class ResourceView(DetailView):
         if page and not empty_page: # add last page, if it contains values
             document += page
         document += '</body></html>'
-        encodedFile = document.encode('utf-8').encode('base64')
+        encodedFile = base64.b64encode(document.encode('utf-8'))
         fileFormat = 'html'
 
         if debug:
@@ -569,7 +570,7 @@ class DebugView(DetailView):
             document += page
         document += '</body></html>'
         logger.debug('DOCUMENT HTML %r ', document)
-        encodedFile = document.encode('utf-8').encode('base64')
+        encodedFile = base64.b64encode(document.encode('utf-8'))
         fileFormat = 'html'
 
         if debug: