W:  7: Anomalous backslash in string: '\['. String constant might be missing an r prefix.
W:  7: Anomalous backslash in string: '\]'. String constant might be missing an r prefix.
W:  8: Anomalous backslash in string: '\/'. String constant might be missing an r prefix.
W:  9: Anomalous backslash in string: '\`'. String constant might be missing an r prefix.
W: 24: Anomalous backslash in string: '\P'. String constant might be missing an r prefix.
W: 30: Anomalous Unicode escape in byte string: '\u'. String constant might be missing an r or u prefix.
W: 31: Anomalous Unicode escape in byte string: '\U'. String constant might be missing an r or u prefix.
W: 32: Anomalous Unicode escape in byte string: '\N'. String constant might be missing an r or u prefix.