one } too much

[derestle-htwg]

pandas/pandas/core/frame.py

Line 5116 in 8137209

... df = df.append({'A'}: i}, ignore_index=True)

should be ... df = df.append({'A': i}, ignore_index=True)
instead of ... df = df.append({'A'}: i}, ignore_index=True)

note the } after the 'A'

[gfyoung]

Will close formally in your PR #18131