error while visualization isinstance() arg 2 must be a type or tuple of types

Question

i want to visualization how much negatif,neutral and positif from column sentiments but i got this error need help

my data

my code

b = pd.value_counts(comment_df['sentiments'])
    ax = b.plot.bar()
    c = len(comment_df.index)
    print(c)
    for d in ax.patches:
      ax.annotate(str(round(d.get_height() / c * 100, 2)) + '%', (d.get_x() * 1.005, d.get_height() * 1.005))

the error

TypeError                                 Traceback (most recent call last)
<ipython-input-66-d1ee098bb533> in <module>()
      1 b = pd.value_counts(comment_df['sentiments'])
----> 2 ax = b.plot.bar()
      3 c = len(comment_df.index)
      4 print(c)
      5 for d in ax.patches:

9 frames
/usr/local/lib/python3.7/dist-packages/pandas/core/arraylike.py in <genexpr>(.0)
    184 
    185     n_alignable = sum(isinstance(x, NDFrame) for x in inputs)
--> 186     n_frames = sum(isinstance(x, DataFrame) for x in inputs)
    187 
    188     if n_alignable >= 2 and n_frames >= 1:

TypeError: isinstance() arg 2 must be a type or tuple of types