Synchronize REPL expressions before returning.

[maleadt]

Fixes #831

[codecov]

Codecov Report

Merging #837 (45a7217) into master (631e278) will decrease coverage by 0.00%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##           master     #837      +/-   ##
==========================================
- Coverage   77.95%   77.94%   -0.01%     
==========================================
  Files         120      120              
  Lines        7397     7399       +2     
==========================================
+ Hits         5766     5767       +1     
- Misses       1631     1632       +1     

Impacted Files	Coverage Δ
src/initialization.jl	80.64% <50.00%> (-1.03%)	⬇️

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