[refactor] Refactor vertical movement calculation

[patrickcleeve2]

No description provided.

[pep8speaks]

Hello @patrickcleeve2! Thanks for opening this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file fibsem/microscope.py:

Line 194:80: E501 line too long (116 > 79 characters)
Line 1228:28: W291 trailing whitespace
Line 1229:80: E501 line too long (140 > 79 characters)
Line 1234:44: E261 at least two spaces before inline comment
Line 1237:80: E501 line too long (87 > 79 characters)
Line 1239:49: E261 at least two spaces before inline comment
Line 1239:80: E501 line too long (128 > 79 characters)
Line 1240:1: W293 blank line contains whitespace
Line 1243:24: W291 trailing whitespace
Line 1249:80: E501 line too long (95 > 79 characters)
Line 1250:76: W291 trailing whitespace
Line 3803:37: W291 trailing whitespace
Line 5599:5: E303 too many blank lines (2)
Line 5599:42: E231 missing whitespace after ':'
Line 5599:71: E252 missing whitespace around parameter equals
Line 5599:72: E252 missing whitespace around parameter equals
Line 5599:80: E501 line too long (130 > 79 characters)
Line 5616:28: W291 trailing whitespace
Line 5617:80: E501 line too long (140 > 79 characters)

• In the file fibsem/ui/FibsemMovementWidget.py:

Line 256:80: E501 line too long (83 > 79 characters)
Line 259:70: E261 at least two spaces before inline comment
Line 259:80: E501 line too long (94 > 79 characters)
Line 268:80: E501 line too long (87 > 79 characters)
Line 268:88: W291 trailing whitespace