Testing #10184

1. Add a cell:

# %%
a = dict()
b = [("a", "one"), ("b", "two"), ("c", "three")]
c = {k: v for (k, v) in b}
print(c)

2. Debug the cell
3. Open the variables view and notice that an icon appeared next to the variable name ("Show variable in data viewer")
4. Click on the icon for one of the variables, note that the Data Viewer window that opened is empty: