update not honoring template

[deadc0de6]

fix for #479

[codecov]

Codecov Report

❌ Patch coverage is 38.88889% with 11 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.44%. Comparing base (e0482a3) to head (00224f1).

Files with missing lines	Patch %	Lines
dotdrop/updater.py	38.88%	11 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #481      +/-   ##
==========================================
- Coverage   89.62%   89.44%   -0.19%     
==========================================
  Files          23       23              
  Lines        4945     4963      +18     
==========================================
+ Hits         4432     4439       +7     
- Misses        513      524      +11     

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