minor fix

[spirosChv]

fixes #1084

[github-actions]

	W1D3_Tutorial2
Instructor
Student

Code report for W1D3_Tutorial2

Code report for W1D3_Tutorial2.ipynb

Quality (pyflakes)

Total code issues: 0

Style (pycodestyle)

Total PEP8 violations: 54

Common problems:

• 21 instances of E402 (module level import not at top of file)
• 6 instances of E302 (expected 2 blank lines, found 0)
• 6 instances of E302 (expected 2 blank lines, found 1)
• 6 instances of E121 (continuation line under-indented for hanging indent)
• 3 instances of E305 (expected 2 blank lines after class or function definition, found 0)
• 2 instances of E501 (line too long (100 > 88 characters))
• 2 instances of W605 (invalid escape sequence '\s')
• 2 instances of E251 (unexpected spaces around keyword / parameter equals)
• 1 instance of E501 (line too long (151 > 88 characters))
• 1 instance of E501 (line too long (101 > 88 characters))

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