TypeError: 'NoneType' object is not callable code example

Example 1: TypeError: 'NoneType' object is not subscriptable

This error occurs when you try to use the integer type value as an array. In simple terms, this error occurs when your program has a variable that is treated as an array by your function, but actually, that variable is an integer.

Example 2: TypeError: 'NoneType' object is not iterable

def write_file(data, filename): # creates file and writes list to it
  with open(filename, 'wb') as outfile:
    writer = csv.writer(outfile)
    for row in data: # ABOVE ERROR IS THROWN HERE
      writer.writerow(row)

Example 3: typeerror 'nonetype' object is not callable paramiko

>>> import paramiko
 >>> ssh = paramiko.SSHClient()
 >>> ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
 >>> ssh.connect(ftpipaddress,username ='akar',password ='change')
 Traceback (most recent call last):
 File "<interactive input>", line 1, in <module>
 TypeError: 'NoneType' object is not iterable

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