Why am I getting TypeError: 'module' object is not callable in python?

Question

I'm creating a string that I an then use in a method that queries a mongodb collection. Eventually the dates will be from user input. Here's the relevant code and string:

import pymongo
from pymongo import MongoClient
from datetime import datetime
import time
import datetime
start_yr    = 2015
start_mnth  = 2
start_day   = 1
end_yr      = 2015
end_mnth    = 2
end_day     = 28

# this is the line called in the error
created_at_string = { "created_at": {"$gte" : datetime(start_yr, start_mnth, start_day),"$lt" : datetime(end_yr, end_mnth, end_day)}}

The idea will be to use created_at_string as an argument in more complex query methods.

I'm getting:

Traceback (most recent call last):
  File "main.py", line 218, in <module>
    program.runProgram()
  File "main.py", line 61, in runProgram
    report.RcreateReport()
  File "/filepath/report.py", line 95, in RcreateReport
 created_at_string = { "created_at": {"$gte" : datetime(start_yr, start_mnth, start_day),"$lt" : datetime(end_yr, end_mnth, end_day)}}
TypeError: 'module' object is not callable

Why?

Are you sure you did from datetime import datetime and not just import datetime? — user2555451
– user2555451, Commented May 26, 2015 at 21:44
Is that your whole code and is there a typo? I bet you did import datetime and tried to call the module... — Two-Bit Alchemist
– Two-Bit Alchemist, Commented May 26, 2015 at 21:44
Thanks everyone. I added the full traceback and double checked my imports. I have from datetime import datetime and then import time and then import datetime — DBWeinstein
– DBWeinstein, Commented May 26, 2015 at 21:53

Zizouz212 · Accepted Answer · 2015-05-26 21:57:28Z

6

I've found your issue:

from datetime import datetime
import time
import datetime

Let's look at this in order:

In your globals, you have something called datetime, a function. Then, you import time, a module object. Then, you import datetime, hence overwriting your datetime function. Here's an example:

>>> from datetime import datetime
>>> datetime(2015, 05, 26)
datetime.datetime(2015, 5, 26, 0, 0)
>>> import datetime
>>> datetime(2015, 05, 26)

Traceback (most recent call last):
  File "<pyshell#24>", line 1, in <module>
    datetime(2015, 05, 26)
TypeError: 'module' object is not callable
>>>

No matter what, even if you change the order, you will overwrite something, be it the function or module objects. So, just rename something:

import datetime
import time
from datetime import datetime as dt

answered May 26, 2015 at 21:57

Zizouz212

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2 Comments

DBWeinstein Over a year ago

I think this is it. To complete the thought, in the query string, I would have to replace datetime with dt, correct?

Zizouz212 Over a year ago

That's correct. Otherwise, you'd be calling a module like before! :)

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