admin: customer_user: handle customer without user

[blueyed]

No description provided.

[codecov]

Codecov Report

Merging #417 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #417      +/-   ##
==========================================
+ Coverage   99.39%   99.39%   +<.01%     
==========================================
  Files          34       34              
  Lines        1651     1653       +2     
  Branches      134      135       +1     
==========================================
+ Hits         1641     1643       +2     
  Misses          5        5              
  Partials        5        5

Flag	Coverage Δ
#py27dj110	99.39% <100%> (ø)	⬆️
#py27dj111	99.39% <100%> (ø)	⬆️
#py27dj18	99.39% <100%> (ø)	⬆️
#py33dj18	99.39% <100%> (ø)	⬆️
#py34dj110	99.39% <100%> (ø)	⬆️
#py34dj111	99.39% <100%> (ø)	⬆️
#py34dj18	99.39% <100%> (ø)	⬆️
#py35dj110	99.39% <100%> (ø)	⬆️
#py35dj111	99.39% <100%> (ø)	⬆️
#py35dj18	99.39% <100%> (ø)	⬆️
#py35djmaster	99.39% <100%> (ø)	⬆️
#py36dj111	99.39% <100%> (ø)	⬆️
#py36djmaster	99.39% <100%> (ø)	⬆️

Impacted Files	Coverage Δ
pinax/stripe/admin.py	100% <100%> (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 fda68d4...5dbe9d8. Read the comment docs.

[codecov]

Codecov Report

Merging #417 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #417      +/-   ##
==========================================
+ Coverage   99.39%   99.39%   +<.01%     
==========================================
  Files          34       34              
  Lines        1662     1664       +2     
  Branches      135      136       +1     
==========================================
+ Hits         1652     1654       +2     
  Misses          5        5              
  Partials        5        5

Flag	Coverage Δ
#py27dj110	99.39% <100%> (ø)	⬆️
#py27dj111	99.39% <100%> (ø)	⬆️
#py27dj18	99.39% <100%> (ø)	⬆️
#py34dj110	99.39% <100%> (ø)	⬆️
#py34dj111	99.39% <100%> (ø)	⬆️
#py34dj18	99.39% <100%> (ø)	⬆️
#py34dj20	99.39% <100%> (ø)	⬆️
#py35dj110	99.39% <100%> (ø)	⬆️
#py35dj111	99.39% <100%> (ø)	⬆️
#py35dj18	99.39% <100%> (ø)	⬆️
#py35dj20	99.39% <100%> (ø)	⬆️
#py36dj111	99.39% <100%> (ø)	⬆️
#py36dj20	99.39% <100%> (ø)	⬆️

Impacted Files	Coverage Δ
pinax/stripe/admin.py	100% <100%> (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 6a1f3b8...27f644a. Read the comment docs.