Beautify top-level symbol handling

[mih]

Extracted from #69

[codecov-commenter]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.01% 🎉

Comparison is base (dfed41a) 97.87% compared to head (05fb43a) 97.88%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #72      +/-   ##
==========================================
+ Coverage   97.87%   97.88%   +0.01%     
==========================================
  Files          10       10              
  Lines         141      142       +1     
==========================================
+ Hits          138      139       +1     
  Misses          3        3              

Files Changed	Coverage Δ
datalad_ria/__init__.py	100.00% <100.00%> (ø)

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.