Traceback (most recent call last):
File "/home/alireza/.virtualenvs/badge/lib/python2.7/site-packages/twisted/web/server.py", line 234, in render
body = resrc.render(self)
File "/home/alireza/.virtualenvs/badge/lib/python2.7/site-packages/klein/resource.py", line 201, in render
d = defer.maybeDeferred(_execute)
File "/home/alireza/.virtualenvs/badge/lib/python2.7/site-packages/twisted/internet/defer.py", line 150, in maybeDeferred
result = f(*args, **kw)
File "/home/alireza/.virtualenvs/badge/lib/python2.7/site-packages/klein/resource.py", line 195, in _execute
**kwargs)
--- <exception caught here> ---
File "/home/alireza/.virtualenvs/badge/lib/python2.7/site-packages/twisted/internet/defer.py", line 150, in maybeDeferred
result = f(*args, **kw)
File "/home/alireza/.virtualenvs/badge/lib/python2.7/site-packages/klein/app.py", line 108, in execute_endpoint
return endpoint_f(self._instance, *args, **kwargs)
File "/home/alireza/.virtualenvs/badge/lib/python2.7/site-packages/klein/app.py", line 193, in _f
return _call(instance, f, request, *a, **kw)
File "/home/alireza/.virtualenvs/badge/lib/python2.7/site-packages/klein/app.py", line 33, in _call
return f(*args, **kwargs)
File "/home/alireza/dev/pycharm/badge/badge/views.py", line 56, in service_badge
img = service_class.draw_badge()
File "/home/alireza/dev/pycharm/badge/service/base.py", line 89, in draw_badge
return draw.as_svg() if self.format == 'svg' else draw.as_png()
File "/home/alireza/dev/pycharm/badge/painter/draw.py", line 122, in as_svg
total_width=self.get_total_width(),
File "/home/alireza/dev/pycharm/badge/painter/draw.py", line 100, in get_total_width
self.total_width = (self.get_key_width() + self.get_value_width())
File "/home/alireza/dev/pycharm/badge/painter/draw.py", line 89, in get_value_width
self.get_value_text_width() +
File "/home/alireza/dev/pycharm/badge/painter/draw.py", line 68, in get_value_text_width
self.value_text_width = self.get_text_width(self.value_text)
File "/home/alireza/dev/pycharm/badge/painter/draw.py", line 111, in get_text_width
font_metrics = painter.get_font_metrics(self._canvas, text=text)
File "/home/alireza/.virtualenvs/badge/lib/python2.7/site-packages/wand/drawing.py", line 1915, in get_font_metrics
raise TypeError('text must be a string, not ' + repr(text))
exceptions.TypeError: text must be a string, not 4.381746
Error: