style(test_query): Formateado PEP8

tests/test_query.py

@@ -3,22 +3,27 @@
 # This file is part of facho.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
 
-import pytest
+# import pytest
 
 import facho.fe.form as form
 from facho import fe
-from facho.fe.form_xml import DIANInvoiceXML, DIANCreditNoteXML, DIANDebitNoteXML
 
-from fixtures import *
+from facho.fe.form_xml import DIANInvoiceXML
+# from facho.fe.form_xml import (
+#    DIANInvoiceXML, DIANCreditNoteXML, DIANDebitNoteXML)
+
+# from fixtures import *
 
 from facho.fe.form import query
 
+
 def test_query_billing_reference(simple_invoice):
+    raise Exception(simple_invoice)
     xml = DIANInvoiceXML(simple_invoice)
     cufe_extension = fe.DianXMLExtensionCUFE(simple_invoice)
     xml.add_extension(cufe_extension)
     out = xml.tostring()
-    
+
     reference = query.billing_reference(out, form.BillingReference)
     assert isinstance(reference, form.BillingReference)
     assert reference.ident != ''