```
/tmp/backproject.py:14:1: E302 expected 2 blank lines, found 1
/tmp/backproject.py:25:49: W291 trailing whitespace
/tmp/backproject.py:26:1: W293 blank line contains whitespace
/tmp/backproject.py:27:8: W291 trailing whitespace
/tmp/backproject.py:28:10: E231 missing whitespace after ','
/tmp/backproject.py:28:12: E231 missing whitespace after ','
/tmp/backproject.py:28:23: E231 missing whitespace after ','
/tmp/backproject.py:28:25: E231 missing whitespace after ','
/tmp/backproject.py:28:28: E225 missing whitespace around operator
/tmp/backproject.py:29:10: E231 missing whitespace after ','
/tmp/backproject.py:29:12: E231 missing whitespace after ','
/tmp/backproject.py:29:24: E231 missing whitespace after ','
/tmp/backproject.py:29:26: E231 missing whitespace after ','
/tmp/backproject.py:29:30: E225 missing whitespace around operator
/tmp/backproject.py:32:1: E302 expected 2 blank lines, found 1
/tmp/backproject.py:32:31: E231 missing whitespace after ','
/tmp/backproject.py:33:1: W293 blank line contains whitespace
/tmp/backproject.py:46:35: W291 trailing whitespace
/tmp/backproject.py:57:1: W293 blank line contains whitespace
/tmp/backproject.py:58:11: E231 missing whitespace after ','
/tmp/backproject.py:59:1: W293 blank line contains whitespace
/tmp/backproject.py:63:1: W293 blank line contains whitespace
/tmp/backproject.py:65:25: W291 trailing whitespace
/tmp/backproject.py:65:23: E203 whitespace before ':'
/tmp/backproject.py:66:1: W293 blank line contains whitespace
/tmp/backproject.py:68:41: E231 missing whitespace after ','
/tmp/backproject.py:68:51: E251 no spaces around keyword / parameter equals
/tmp/backproject.py:69:41: E231 missing whitespace after ','
/tmp/backproject.py:69:51: E251 no spaces around keyword / parameter equals
/tmp/backproject.py:70:1: W293 blank line contains whitespace
/tmp/backproject.py:72:30: E225 missing whitespace around operator
/tmp/backproject.py:72:37: E225 missing whitespace around operator
/tmp/backproject.py:73:1: W293 blank line contains whitespace
/tmp/backproject.py:76:25: E231 missing whitespace after ','
/tmp/backproject.py:77:32: E231 missing whitespace after ','
/tmp/backproject.py:77:47: E231 missing whitespace after ','
/tmp/backproject.py:77:42: E251 no spaces around keyword / parameter equals
/tmp/backproject.py:79:23: E231 missing whitespace after ','
/tmp/backproject.py:80:1: W293 blank line contains whitespace
/tmp/backproject.py:82:1: W293 blank line contains whitespace
/tmp/backproject.py:84:1: W293 blank line contains whitespace
/tmp/backproject.py:91:1: W293 blank line contains whitespace
/tmp/backproject.py:93:11: E231 missing whitespace after ','
/tmp/backproject.py:93:14: E231 missing whitespace after ','
/tmp/backproject.py:93:38: E231 missing whitespace after ','
/tmp/backproject.py:93:41: E231 missing whitespace after ','
/tmp/backproject.py:94:80: E501 line too long (86 characters)
/tmp/backproject.py:94:87: W291 trailing whitespace
/tmp/backproject.py:94:17: E231 missing whitespace after ','
/tmp/backproject.py:94:47: E231 missing whitespace after ','
/tmp/backproject.py:94:58: E231 missing whitespace after ','
/tmp/backproject.py:94:63: E231 missing whitespace after ','
/tmp/backproject.py:94:68: E231 missing whitespace after ','
/tmp/backproject.py:94:72: E231 missing whitespace after ','
/tmp/backproject.py:94:77: E231 missing whitespace after ','
/tmp/backproject.py:94:80: E231 missing whitespace after ','
/tmp/backproject.py:95:11: E231 missing whitespace after ','
/tmp/backproject.py:95:14: E231 missing whitespace after ','
/tmp/backproject.py:95:38: E231 missing whitespace after ','
/tmp/backproject.py:95:41: E231 missing whitespace after ','
/tmp/backproject.py:96:80: E501 line too long (86 characters)
/tmp/backproject.py:96:17: E231 missing whitespace after ','
/tmp/backproject.py:96:47: E231 missing whitespace after ','
/tmp/backproject.py:96:58: E231 missing whitespace after ','
/tmp/backproject.py:96:63: E231 missing whitespace after ','
/tmp/backproject.py:96:68: E231 missing whitespace after ','
/tmp/backproject.py:96:72: E231 missing whitespace after ','
/tmp/backproject.py:96:77: E231 missing whitespace after ','
/tmp/backproject.py:96:80: E231 missing whitespace after ','
/tmp/backproject.py:97:1: W293 blank line contains whitespace
/tmp/backproject.py:99:30: E225 missing whitespace around operator
/tmp/backproject.py:99:37: E225 missing whitespace around operator
/tmp/backproject.py:100:1: W293 blank line contains whitespace
/tmp/backproject.py:102:25: E231 missing whitespace after ','
/tmp/backproject.py:103:25: E231 missing whitespace after ','
/tmp/backproject.py:105:32: E231 missing whitespace after ','
/tmp/backproject.py:105:47: E231 missing whitespace after ','
/tmp/backproject.py:105:42: E251 no spaces around keyword / parameter equals
/tmp/backproject.py:107:23: E231 missing whitespace after ','
/tmp/backproject.py:108:1: W293 blank line contains whitespace
/tmp/backproject.py:109:17: W291 trailing whitespace
```