Fix slash stripping in Image data migration

Codecov Report

Merging #247 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #247   +/-   ##
=======================================
  Coverage   78.65%   78.65%           
=======================================
  Files         151      151           
  Lines        8931     8931           
=======================================
  Hits         7025     7025           
  Misses       1906     1906

Impacted Files	Coverage Δ
...kindex/images/migrations/0003_stripslashes_data.py	47.61% <ø> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update fd9ec32...55ef144. Read the comment docs.

added 3 commits

• 996a118c...fd9ec32b - 2 commits from branch master
• 55ef1449 - Fix image data migration

Compare with previous version

mentioned in commit 586f5890

merged