TypeError with default parameters in a function - Python

Question

Im trying to create a function that takes 6 arguments, 3 of which are "optional" given that I tried giving them default values. This function takes in the 6 values and gives them to another function (defined previously).

Every time I try to run it I get a TypeError: Coeff() got an unexpected keyword argument 'h'. I was hoping someone could help me with this!

def TSR_inf(coeff, maxmin, d, h='houle', t_h=0, Per=0):

   coeff = coeff
   maxmin = maxmin
   d=d
   h = h
   t_h = t_h
   Per = Per

   Coeff(coeff, maxmin, d, h='houle', t_h=0, Per=0)

The Coeff() function is defined as such:

def Coeff(coeff, maxmin, d, h='houle', t_h=0, Per=0):

  if coeff == 'wave' and maxmin == 'max' and d == 'x' and t_h == 0 and Per == 0 and h == 'houle':
      Wave_max('x')
  elif coeff == 'wave' and maxmin == 'max' and d == 'x' and t_h == 0 and Per == 0 and h == 'no houle':
      Wave_max('x', 'no houle')
  elif coeff == 'wave' and maxmin == 'max' and d == 'x' and t_h == 'reg' and Per == 0 and h == 'houle':
      Wave_max('x', 'reg')
  elif coeff == 'wave' and maxmin == 'max' and d == 'x' and t_h == 'reg' and Per == 1 and h == 'houle':
      Wave_max('x', 'reg', 1)
  elif coeff == 'wave' and maxmin == 'max' and d == 'x' and t_h == 'reg' and Per == 1.5 and h == 'houle':
      Wave_max('x', 'reg', 1.5)
  elif coeff == 'wave' and maxmin == 'max' and d == 'x' and t_h == 'reg' and Per == 2 and h == 'houle':
      Wave_max('x', 'reg', 2)
  elif coeff == 'wave' and maxmin == 'max' and d == 'x' and t_h == 'irreg' and Per == 0 and h == 'houle':
      Wave_max('x', 'reg')
  elif coeff == 'wave' and maxmin == 'max' and d == 'x' and t_h == 'irreg' and Per == 1 and h == 'houle':
      Wave_max('x', 'reg', 1)
  elif coeff == 'wave' and maxmin == 'max' and d == 'x' and t_h == 'irreg' and Per == 1.5 and h == 'houle':
      Wave_max('x', 'reg', 1.5)
  elif coeff == 'wave' and maxmin == 'max' and d == 'x' and t_h == 'irreg' and Per == 2 and h == 'houle':
      Wave_max('x', 'reg', 2)

This Coeff() function calls another function def Wave_max(d, h, t_h, Per): that I won't post here because it is irrelevant (but if you do want it let me know and I'll add it later).

If anyone can spot where I made the mistake that leads to the TypeError I won't be veery much appreciated!!

Cheers all! (and thank you in advance!)

Are you saying that even with the edited version of the code (in which 'h1' appears nowhere), you get an error message referencing 'h1'? — slothrop
– slothrop, Commented Jul 7, 2022 at 9:52
Thanks - I can't replicate the issue with the code you have. The problem may lie outside of what you posted: for example, do you have a different Coeff function in another module, and you've imported that instead of the one you show? — slothrop
– slothrop, Commented Jul 7, 2022 at 9:58
I dont have any other! I imported this Coeff function from another module, and thats it (other than pandas, numpy, etc etc)! I think that I might just Copy-Paste the function to my script! I was just trying to avoid it because my script is now too long and since I need to present the main script, I wanted to keep it under 1500 lines! — João Roquette Saldanha
– João Roquette Saldanha, Commented Jul 7, 2022 at 10:06

Manikya Bardhan · Accepted Answer · 2022-07-07 09:18:58Z

0

It's happening because the parameter name is h in the Coeff function and there is no parameter called h1 as the error rightly points out.

You probably want to do something like Coeff(coeff1, maxmin1, d1, h=h1, t_h=t_h1, Per=Per1) at the end of the TSR_inf function.

answered Jul 7, 2022 at 9:18

Manikya Bardhan

162 bronze badges

Sign up to request clarification or add additional context in comments.

1 Comment

João Roquette Saldanha Over a year ago

That name was just a way to pin point the location of the error! I had it just with h, and the error persists!

Vivek Singh · Accepted Answer · 2022-07-07 09:45:34Z

0

when you pass an keyword argument always use the same argument name as used in the function definition, the issue is your function argument are h='houle', t_h=0, Per=0 and you are calling the function with h1='houle', t_h1=0, Per1=0

your actual function call should be:

Coeff(coeff1, maxmin1, d1, h='houle', t_h=0, Per=0)

or as you have already stroed them in variables

Coeff(coeff1, maxmin1, d1, h=h1, t_h=t_h1, Per=Per1)

and if you want to use h1 as keyword argument in Coeff function you can change your function definition as

 def  Coeff(coeff1, maxmin1, d1, h='houle', t_h=0, Per=0, **kwargs)

and use h1 in the function as

kwargs.get('h1')

edited Jul 7, 2022 at 9:45

answered Jul 7, 2022 at 9:36

Vivek Singh

3101 gold badge4 silver badges13 bronze badges

3 Comments

João Roquette Saldanha Over a year ago

I edited the post to show how my code is now (I only used, for example, h1 to try to pinpoint the location where the Error occurred)!

Vivek Singh Over a year ago

I tried to run the code, it is working fine, your issue might be causing by some thing else

João Roquette Saldanha Over a year ago

yeah possibly! Revision time now ahaha! thank you still!

Collectives™ on Stack Overflow

TypeError with default parameters in a function - Python

2 Answers 2

1 Comment

3 Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

1 Comment

3 Comments

Your Answer

Sign up or log in

Post as a guest

Related