'method' object is not subscriptable. I don't know which is wrong-CodePudding

Can someone help me where I got it wrong

data_pad = []
for key in np.unique(df['unique-key']):
    data_pad  = [df[df.reindex[:, 'unique-key'] == key].reindex[:, ['distance', 'direction', 'gridID']]]

CodePudding user response：

Seems like you use DataFrame.reindex method with wrong syntax.

Here an example from link

df.reindex(new_index, fill_value=0)

CodePudding user response：

Let's understand the error. First - what subscriptable mean? Here you can find detailed answer but in general it means object can be called with [] syntax

l = [1,2,3]
print(l[0]) # works, l is subscriptable
x = 5
print(x[0]) # TypeError: 'int' object is not subscriptable

We are close, so now we know that we use [] on object that is not subscriptable, and as error says, that object is method

class A:
    def my_method(self, param):
        print(param)


a = A()
a.my_method(0) # prints 0
a.my_method[0] # TypeError: 'method' object is not subscriptable

Voila! We can now suspect our problem is because we use some method with square brackets instead of classic one. As other suggested, it's reindex method