Update copod_example.py

[durgeshsamariya]

Typo in docstring.

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[coveralls]

Pull Request Test Coverage Report for Build 1877

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 95.423%

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Totals
Change from base Build 1839:	0.0%
Covered Lines:	4712
Relevant Lines:	4938

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💛 - Coveralls