Version-Release number of selected component:
cinnamon-screensaver-3.2.13-2.fc25

Additional info:
reporter:       libreport-2.8.0
cmdline:        cinnamon-screensaver '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' ''
executable:     /usr/share/cinnamon-screensaver/cinnamon-screensaver-main.py
kernel:         4.9.6-200.fc25.x86_64
pkg_fingerprint: 4089 D8F2 FDB1 9C98
pkg_vendor:     Fedora Project
runlevel:       N 5
type:           Python3
uid:            1000

Truncated backtrace:
passwordEntry.py:105:on_draw:TypeError: Can't convert 'NoneType' object to str implicitly

Traceback (most recent call last):
  File "/usr/share/cinnamon-screensaver/passwordEntry.py", line 105, in on_draw
    (xb, yb, w, h, xa, ya) = cr.text_extents(name)
TypeError: Can't convert 'NoneType' object to str implicitly

Local variables in innermost frame:
font_size: 14.0
handled: False
y: 11
cr: <cairo.Context object at 0x7fad0403a450>
family: ['monospace']
height: 12
self: <passwordEntry.PasswordEntry object at 0x7fad0404f948 (passwordEntry+PasswordEntry at 0x55eab97dab10)>
ctx: <Gtk.StyleContext object at 0x7facec0f6cf0 (GtkStyleContext at 0x55eab9c51930)>
width: 26
icon_rect: <Gdk.Rectangle object at 0x7fad04078ca8 (GdkRectangle at 0x7face8001130)>
data: None
name: None
x: 9
widget: <passwordEntry.PasswordEntry object at 0x7fad0404f948 (passwordEntry+PasswordEntry at 0x55eab97dab10)>