ui: fixed default gravatar b64 code

rhodecode/lib/helpers.py

@@ -81,7 +81,7 b' from rhodecode.lib.html_filters import s'
 from rhodecode.lib.pagination import Page, RepoPage, SqlPage
 from rhodecode.lib import ext_json
 from rhodecode.lib.ext_json import json
-from rhodecode.lib.str_utils import safe_bytes, convert_special_chars
+from rhodecode.lib.str_utils import safe_bytes, convert_special_chars, base64_to_str
 from rhodecode.lib.utils import repo_name_slug, get_custom_lexer
 from rhodecode.lib.str_utils import safe_str
 from rhodecode.lib.utils2 import (
@@ -1304,7 +1304,7 b' class InitialsGravatar(object):'
         viewBox="-15 -10 439.165 429.164"
 
         xml:space="preserve"
-        font-family="{font_family}
+        font-family="{font_family}"
         style="background:{background};" >
 
         <path d="M204.583,216.671c50.664,0,91.74-48.075,
@@ -1374,8 +1374,8 b' class InitialsGravatar(object):'
         return img_data
 
     def generate_svg(self, svg_type=None):
-        img_data = safe_bytes(self.get_img_data(svg_type))
-        return "data:image/svg+xml;base64,%s" % safe_str(base64.b64encode(img_data))
+        img_data = base64_to_str(self.get_img_data(svg_type))
+        return "data:image/svg+xml;base64,{}".format(img_data)
 
 
 def initials_gravatar(request, email_address, first_name, last_name, size=30, store_on_disk=False):