преобразовать строку столбца в int pandas
df['DataFrame Column'] = df['DataFrame Column'].astype(int)
Jealous Jay
df['DataFrame Column'] = df['DataFrame Column'].astype(int)
# convert Series
my_series = pd.to_numeric(my_series)
# convert column "a" of a DataFrame
df["a"] = pd.to_numeric(df["a"])
df_out['gids'] = df_out['gids'].map(lambda x: list(map(int, filter(None, x.split(' ')))))