in none English environment pg instance, 'exists' will not in str(err), use DuplicateDatabase instead

[Pandaaaa906]

'exists' will not in str(err),
use DuplicateDatabase instead

[coveralls]

Pull Request Test Coverage Report for Build 00e9f230-625d-4f4a-a266-4f41b44d9fe5

Details

• 0 of 3 (0.0%) changed or added relevant lines in 1 file are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+0.1%) to 85.866%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
scrapydweb/utils/setup_database.py	0	3	0.0%

Files with Coverage Reduction	New Missed Lines	%
scrapydweb/utils/setup_database.py	1	43.0%

Totals
Change from base Build 1f9efb3c-a791-4498-b745-263362a8011e:	0.1%
Covered Lines:	3469
Relevant Lines:	4040

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💛 - Coveralls