import issues

stix2/STIXPatternVisitor.py

@@ -8,7 +8,22 @@ from stix2patterns.validator import STIXPatternErrorListener
 import importlib
 import inspect
 
-from .patterns import *
+from .patterns import (FollowedByObservationExpression,
+                       IsSubsetComparisonExpression,
+                       IsSupersetComparisonExpression,
+                       StartStopQualifier,
+                       WithinQualifier,
+                       RepeatQualifier,
+                       BasicObjectPathComponent,
+                       StringConstant,
+                       IntegerConstant,
+                       FloatConstant,
+                       HexConstant,
+                       BinaryConstant,
+                       BooleanConstant,
+                       TimestampConstant
+)
+
 
 def collapse_lists(lists):
     result = []
@@ -19,6 +34,7 @@ def collapse_lists(lists):
             result.append(c)
     return result
 
+
 def quote_if_needed(x):
     if x.find("-") != -1:
         return "'" + x + "'"

stix2/patterns.py

@@ -12,6 +12,7 @@ from .utils import parse_into_datetime
 def escape_quotes_and_backslashes(s):
     return s.replace(u'\\', u'\\\\').replace(u"'", u"\\'")
 
+
 class _Constant(object):
     pass
 

stix2/test/test_pattern_expressions.py

@@ -5,7 +5,6 @@ import pytest
 import stix2
 
 def test_create_comparison_expression():
-
     exp = stix2.EqualityComparisonExpression("file:hashes.'SHA-256'",
                                              stix2.HashConstant("aec070645fe53ee3b3763059376134f058cc337247c978add178b6ccdfb0019f", "SHA-256"))   # noqa
 
@@ -381,5 +380,3 @@ def test_make_constant_already_a_constant():
 def test_parsing_expression():
     patt_obj = stix2.create_pattern_object("[file:hashes.'SHA-256' = 'aec070645fe53ee3b3763059376134f058cc337247c978add178b6ccdfb0019f']")
     assert str(patt_obj) == "[file:hashes.'SHA-256' = 'aec070645fe53ee3b3763059376134f058cc337247c978add178b6ccdfb0019f']"
-
-