Fix linting issues

[chambridge]

Fix linting issues:

************* Module rho.cli
C: 49, 0: Unnecessary parens after 'print' keyword (superfluous-parens)
C: 50, 0: Unnecessary parens after 'print' keyword (superfluous-parens)
C: 21, 0: Invalid constant name "t" (invalid-name)
C: 25, 0: Missing class docstring (missing-docstring)
C: 25, 0: Old-style class defined. (old-style-class)
C: 87, 4: Missing method docstring (missing-docstring)
R: 25, 0: Too few public methods (1/2) (too-few-public-methods)
C: 20, 0: standard import "import gettext" should be placed before "import rho.clicommands" (wrong-import-order)
************* Module rho.clicommands
C:375, 0: Unnecessary parens after 'print' keyword (superfluous-parens)
C:563, 0: Unnecessary parens after 'print' keyword (superfluous-parens)
C:705, 0: Unnecessary parens after 'print' keyword (superfluous-parens)
C:708, 0: Unnecessary parens after 'print' keyword (superfluous-parens)
C:761, 0: Unnecessary parens after 'print' keyword (superfluous-parens)
C:792, 0: Unnecessary parens after 'print' keyword (superfluous-parens)
C:851, 0: Unnecessary parens after 'print' keyword (superfluous-parens)
C:960, 0: Unnecessary parens after 'print' keyword (superfluous-parens)
C:963, 0: Unnecessary parens after 'print' keyword (superfluous-parens)
C:1045, 0: Unnecessary parens after 'print' keyword (superfluous-parens)
C:1157, 0: Unnecessary parens after 'print' keyword (superfluous-parens)
C:  1, 0: Too many lines in module (1192/1000) (too-many-lines)
W: 95, 0: Anomalous backslash in string: '\['. String constant might be missing an r prefix. (anomalous-backslash-in-string)
W: 95, 0: Anomalous backslash in string: '\]'. String constant might be missing an r prefix. (anomalous-backslash-in-string)
W: 96, 0: Anomalous backslash in string: '\['. String constant might be missing an r prefix. (anomalous-backslash-in-string)
W: 96, 0: Anomalous backslash in string: '\]'. String constant might be missing an r prefix. (anomalous-backslash-in-string)
W: 98, 0: Anomalous backslash in string: '\['. String constant might be missing an r prefix. (anomalous-backslash-in-string)
W: 98, 0: Anomalous backslash in string: '\]'. String constant might be missing an r prefix. (anomalous-backslash-in-string)
W:100, 0: Anomalous backslash in string: '\.'. String constant might be missing an r prefix. (anomalous-backslash-in-string)
W:185, 0: Anomalous backslash in string: '\['. String constant might be missing an r prefix. (anomalous-backslash-in-string)
W:185, 0: Anomalous backslash in string: '\]'. String constant might be missing an r prefix. (anomalous-backslash-in-string)
C: 29, 0: Invalid constant name "t" (invalid-name)
C: 35, 0: Missing function docstring (missing-docstring)
C: 36, 4: Missing function docstring (missing-docstring)
W: 36,21: Unused argument 'opt_str' (unused-argument)
W: 36,30: Unused argument 'value' (unused-argument)
C: 49, 0: Missing function docstring (missing-docstring)
W: 49,22: Unused argument 'opt_str' (unused-argument)
W: 49,31: Unused argument 'value' (unused-argument)
C: 79,29: Invalid variable name "e" (invalid-name)
C: 87,42: Invalid variable name "f" (invalid-name)
C:103, 8: Invalid variable name "r" (invalid-name)
C:128, 9: Using type() instead of isinstance() for a typecheck. (unidiomatic-typecheck)
C:137,54: Invalid variable name "f" (invalid-name)
C:153,52: Invalid variable name "f" (invalid-name)
C:160, 8: Invalid variable name "f" (invalid-name)
R:176, 0: Too many local variables (23/15) (too-many-locals)
C:184, 8: Invalid variable name "r" (invalid-name)
C:186, 8: Invalid variable name "r" (invalid-name)
C:198, 8: Invalid variable name "a" (invalid-name)
C:199, 8: Invalid variable name "f" (invalid-name)
C:237,43: Invalid variable name "f" (invalid-name)
C:242, 8: Consider using enumerate instead of iterating with range and len (consider-using-enumerate)
C:242,12: Invalid variable name "l" (invalid-name)
C:264,64: Invalid variable name "f" (invalid-name)
C:276,12: Invalid variable name "h" (invalid-name)
C:276,15: Invalid variable name "l" (invalid-name)
C:278,16: Invalid variable name "a" (invalid-name)
C:295, 8: Invalid variable name "h" (invalid-name)
C:299,52: Invalid variable name "f" (invalid-name)
C:300,12: Invalid variable name "a" (invalid-name)
C:312,16: Invalid variable name "h" (invalid-name)
R:333, 0: Too few public methods (1/2) (too-few-public-methods)
W:366,23: Attribute 'args' defined outside __init__ (attribute-defined-outside-init)
W:370, 8: Attribute 'args' defined outside __init__ (attribute-defined-outside-init)
W:366, 9: Attribute 'options' defined outside __init__ (attribute-defined-outside-init)
R:443, 4: Too many local variables (24/15) (too-many-locals)
C:462,43: Invalid variable name "f" (invalid-name)
C:470,24: Invalid variable name "a" (invalid-name)
C:471,24: Invalid variable name "a" (invalid-name)
C:472,62: Invalid variable name "g" (invalid-name)
C:496,15: Do not use `len(SEQUENCE)` as condition value (len-as-condition)
R:382, 0: Too few public methods (1/2) (too-few-public-methods)
C:553,43: Invalid variable name "f" (invalid-name)
R:527, 0: Too few public methods (1/2) (too-few-public-methods)
C:582,43: Invalid variable name "f" (invalid-name)
R:567, 0: Too few public methods (1/2) (too-few-public-methods)
R:629, 4: Too many local variables (23/15) (too-many-locals)
C:641,15: Do not use `len(SEQUENCE)` as condition value (len-as-condition)
C:649,43: Invalid variable name "f" (invalid-name)
C:652,46: Invalid variable name "g" (invalid-name)
C:655,43: Invalid variable name "f" (invalid-name)
C:670,28: Invalid variable name "r" (invalid-name)
C:680,28: Invalid variable name "a" (invalid-name)
R:656,12: Too many nested blocks (6/5) (too-many-nested-blocks)
R:629, 4: Too many branches (15/12) (too-many-branches)
R:629, 4: Too many statements (52/50) (too-many-statements)
R:588, 0: Too few public methods (1/2) (too-few-public-methods)
C:748,47: Invalid variable name "f" (invalid-name)
C:751,47: Invalid variable name "f" (invalid-name)
C:783,16: Invalid variable name "fl" (invalid-name)
R:711, 0: Too few public methods (1/2) (too-few-public-methods)
C:843,47: Invalid variable name "f" (invalid-name)
C:856,11: Do not use `len(SEQUENCE)` as condition value (len-as-condition)
C:864,16: Invalid variable name "a" (invalid-name)
C:866,54: Invalid variable name "f" (invalid-name)
C:880,43: Invalid variable name "f" (invalid-name)
R:795, 0: Too few public methods (1/2) (too-few-public-methods)
C:939,46: Invalid variable name "f" (invalid-name)
C:942,46: Invalid variable name "f" (invalid-name)
R:889, 0: Too few public methods (1/2) (too-few-public-methods)
C:998,50: Invalid variable name "fr" (invalid-name)
C:999,52: Invalid variable name "tw" (invalid-name)
C:1003,48: Invalid variable name "tr" (invalid-name)
C:1004,54: Invalid variable name "fw" (invalid-name)
R:966, 0: Too few public methods (1/2) (too-few-public-methods)
C:1049,46: Invalid variable name "f" (invalid-name)
R:1019, 0: Too few public methods (1/2) (too-few-public-methods)
C:1088,46: Invalid variable name "f" (invalid-name)
R:1070, 0: Too few public methods (1/2) (too-few-public-methods)
C:1153,50: Invalid variable name "f" (invalid-name)
R:1103, 0: Too few public methods (1/2) (too-few-public-methods)

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Your code has been rated at 8.42/10 (previous run: 8.42/10, +0.00)

[chambridge]

#29