Chapter 19 19.3 In[95]

[ghost]

I have a question related to American Put Option Analysis by using the valuation_mcs_american.py and the code given in Chapter 19 Section 19.3:
For In[95]: for maturity in (dt.datetime(2020, 12, 31), dt.datetime(2021, 12, 31):
When I type this and after finish the whole In[95]: It reported an error of saying: Only size-1 arrays can be converted to Python scalars
However, if I only designate: maturity=dt.datetime(2020, 12, 31), there is no error happening again
I would like to know what could have happened and if there are some further guidelines, please let me know, thanks

[yhilpisch]

Can you please post a complete example that reproduces your problem.

How to create a Minimal, Complete, and Verifiable example
https://stackoverflow.com/help/mcve

[ghost]

@yhilpisch
The example is given on the book Python For Finance 2nd Edition Chapter 19: A Use Case and I create a jupyter notebook by typing the code completely following the code given on the book

When I follow the code and type In[95] (My In[] number is not 95 because I start this Chapter's code with a completely new start not continuing on the Chapter 18's code, but making sure that the code before In[95] has been carried out correctly:
Here is the error:

I don't know how I could correct this error and I wonder whether there is something wrong with my code or something else.

[yhilpisch]

Such screenshots are not really helpful. How shall I possibly replicate your problem?

Please post a complete (!), minimal code example that I can copy and use to replicate your error.