general translations fixes

(closes #1911)

25:1: F401 'time' imported but unused
29:1: F401 'threading' imported but unused
41:1: F401 'CFG_BIBRANK_SHOW_DOWNLOAD_STATS' imported but unused
42:6: E126 continuation line over-indented for hanging indent
71:1: F401 'pageheaderonly' imported but unused
73:1: F401 'page_start' imported but unused
73:1: F401 'get_most_popular_field_values' imported but unused
73:1: F401 'create_similarly_named_authors_link_box' imported but unused
73:1: F401 'page_end' imported but unused
74:6: E126 continuation line over-indented for hanging indent
91:1: F401 'get_fieldvalues' imported but unused
91:1: F401 'get_fieldvalues_alephseq_like' imported but unused
92:6: E126 continuation line over-indented for hanging indent
101:1: F401 'get_cited_by_list' imported but unused
102:1: F401 'get_download_weight_total' imported but unused
103:1: F401 'summarize_records' imported but unused
118:83: E502 the backslash is redundant between brackets
124:1: E302 expected 2 blank lines, found 1
124: D202 No blank lines allowed *after* function docstring, found 1
124: D200 One-line docstring should not occupy 3 lines
162:1: E302 expected 2 blank lines, found 1
162: D203 Expected 1 blank line *before* class docstring, found 0
162: D204 Expected 1 blank line *after* class docstring, found 0
166: D102 Docstring missing
168:17: E203 whitespace before ':'
169:21: E203 whitespace before ':'
181:22: E203 whitespace before ':'
182:26: E203 whitespace before ':'
183:21: E203 whitespace before ':'
184:26: E203 whitespace before ':'
185:23: E203 whitespace before ':'
198:1: E302 expected 2 blank lines, found 1
198: D203 Expected 1 blank line *before* class docstring, found 0
198: D400 First line should end with '.', not 't'
207: D102 Docstring missing
229: D102 Docstring missing
244:17: E128 continuation line under-indented for visual indent
272:86: E203 whitespace before ':'
274:21: E127 continuation line over-indented for visual indent
274:67: E203 whitespace before ':'
274:91: E203 whitespace before ':'
277:52: E502 the backslash is redundant between brackets
278:17: E128 continuation line under-indented for visual indent
278:32: E502 the backslash is redundant between brackets
279:17: E128 continuation line under-indented for visual indent
292:42: E261 at least two spaces before inline comment
292:43: E262 inline comment should start with '# '
306:1: E302 expected 2 blank lines, found 1
306: D203 Expected 1 blank line *before* class docstring, found 0
306: D400 First line should end with '.', not 't'
315: D102 Docstring missing
335: D102 Docstring missing
347:17: E128 continuation line under-indented for visual indent
377:21: E128 continuation line under-indented for visual indent
378:21: E128 continuation line under-indented for visual indent
396:1: E302 expected 2 blank lines, found 1
396: D203 Expected 1 blank line *before* class docstring, found 0
414:17: E128 continuation line under-indented for visual indent
415:40: E126 continuation line over-indented for hanging indent
458:102: E203 whitespace before ':'
460:37: E127 continuation line over-indented for visual indent
460:83: E203 whitespace before ':'
460:107: E203 whitespace before ':'
463:64: E502 the backslash is redundant between brackets
464:29: E128 continuation line under-indented for visual indent
464:44: E502 the backslash is redundant between brackets
465:29: E128 continuation line under-indented for visual indent
475:94: E203 whitespace before ':'
477:29: E127 continuation line over-indented for visual indent
477:75: E203 whitespace before ':'
477:99: E203 whitespace before ':'
480:60: E502 the backslash is redundant between brackets
481:25: E128 continuation line under-indented for visual indent
481:40: E502 the backslash is redundant between brackets
482:25: E128 continuation line under-indented for visual indent
518: D202 No blank lines allowed *after* method docstring, found 1
528:94: E203 whitespace before ':'
530:29: E127 continuation line over-indented for visual indent
530:75: E203 whitespace before ':'
530:99: E203 whitespace before ':'
533:60: E502 the backslash is redundant between brackets
534:25: E128 continuation line under-indented for visual indent
534:40: E502 the backslash is redundant between brackets
535:25: E128 continuation line under-indented for visual indent
564:9: E303 too many blank lines (2)
574:1: E302 expected 2 blank lines, found 1
574: D203 Expected 1 blank line *before* class docstring, found 0
579: D202 No blank lines allowed *after* method docstring, found 1
606:1: E302 expected 2 blank lines, found 1
619: D209 Put multi-line docstring closing quotes on separate line
619: D400 First line should end with '.', not 't'
619: D205 Blank line missing between one-line summary and description
632: D401 First line should be imperative: 'Thi', not 'This'
632: D209 Put multi-line docstring closing quotes on separate line
632: D202 No blank lines allowed *after* method docstring, found 1
632: D400 First line should end with '.', not 'r'
632: D205 Blank line missing between one-line summary and description
666:9: E303 too many blank lines (2)
747:13: E301 expected 1 blank line, found 0
747: D400 First line should end with '.', not 'I'
749:63: E231 missing whitespace after ','
765: D400 First line should end with '.', not 'e'
770:55: E202 whitespace before '}'
811:1: E302 expected 2 blank lines, found 1
811: D209 Put multi-line docstring closing quotes on separate line
811: D400 First line should end with '.', not 'g'
811: D205 Blank line missing between one-line summary and description
816:84: E203 whitespace before ':'
827:17: E128 continuation line under-indented for visual indent
867:45: E128 continuation line under-indented for visual indent
903:12: E127 continuation line over-indented for visual indent
935:1: E302 expected 2 blank lines, found 1
935: D400 First line should end with '.', not 'e'
935: D205 Blank line missing between one-line summary and description
955:59: E502 the backslash is redundant between brackets
956:32: F812 list comprehension redefines 'doi' from line 935
979:27: F841 local variable 'e' is assigned to but never used
992:1: E302 expected 2 blank lines, found 1
992: D203 Expected 1 blank line *before* class docstring, found 0
995: D202 No blank lines allowed *after* method docstring, found 1
1004:38: E231 missing whitespace after ':'
1013:94: E203 whitespace before ':'
1015:29: E127 continuation line over-indented for visual indent
1015:75: E203 whitespace before ':'
1015:99: E203 whitespace before ':'
1018:60: E502 the backslash is redundant between brackets
1019:25: E128 continuation line under-indented for visual indent
1019:40: E502 the backslash is redundant between brackets
1020:25: E128 continuation line under-indented for visual indent
1041:29: F841 local variable 'e' is assigned to but never used
1060:59: E127 continuation line over-indented for visual indent
1061:59: E127 continuation line over-indented for visual indent
1062:59: E127 continuation line over-indented for visual indent
1063:59: E127 continuation line over-indented for visual indent
1064:59: E127 continuation line over-indented for visual indent
1065:59: E127 continuation line over-indented for visual indent
1066:59: E127 continuation line over-indented for visual indent
1067:59: E127 continuation line over-indented for visual indent
1080:13: E122 continuation line missing indentation or outdented
1125: D203 Expected 1 blank line *before* class docstring, found 0
1125: D400 First line should end with '.', not 't'
1130: D102 Docstring missing
1139: D102 Docstring missing
1149:17: E128 continuation line under-indented for visual indent
1179:86: E203 whitespace before ':'
1181:21: E127 continuation line over-indented for visual indent
1181:67: E203 whitespace before ':'
1181:91: E203 whitespace before ':'
1184:52: E502 the backslash is redundant between brackets
1185:17: E128 continuation line under-indented for visual indent
1185:32: E502 the backslash is redundant between brackets
1186:17: E128 continuation line under-indented for visual indent