Fix csrf token label of render field macro

[yuxiaoy1]

Fix #127

[codecov-commenter]

Codecov Report

Merging #131 (d08f8a7) into master (0fc18ce) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #131   +/-   ##
=======================================
  Coverage   94.36%   94.36%           
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  Files           1        1           
  Lines          71       71           
  Branches       13       13           
=======================================
  Hits           67       67           
  Misses          1        1           
  Partials        3        3           

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[caffeinatedMike]

@yuxiaoy1 This will not fix the linked issue. Your logic only handles CSRFTokenFields, not HiddenFields. However, if you change it to

{%- elif field.type in ('CSRFTokenField', 'HiddenField') -%}

I believe that will cover it.

[yuxiaoy1]

Good catch!
I just pushed a new commit to cover it.

[greyli]

@caffeinatedMike @yuxiaoy1 Merged, thanks!