minor style changes

Author: bygu4

pyformlang/cfg/tests/test_cfg.py

@@ -815,7 +815,8 @@ def test_is_normal_form(self):
         assert cfg.is_normal_form()
 
     def test_to_text(self):
-        text = """E  -> T E’
+        text = """
+            E  -> T E’
             E’ -> T E’
             T  -> F T’
             T’ -> *

pyformlang/cfg/tests/test_recursive_decent_parser.py

@@ -26,8 +26,7 @@ def test_creation(self):
 
     def test_get_parsing_tree(self):
         assert self.parser.is_parsable(
-            ["(", "int", "+", "(", "int", "*", "int", ")", ")"] \
-        )
+            ["(", "int", "+", "(", "int", "*", "int", ")", ")"])
         parse_tree = self.parser.get_parse_tree(
             ["(", "int", "+", "(", "int", "*", "int", ")", ")"])
         derivation = parse_tree.get_leftmost_derivation()

pyformlang/indexed_grammar/tests/test_indexed_grammar.py

@@ -189,7 +189,6 @@ def test_simple_ig_regular_expression(self):
         assert not i_grammar.is_empty()
 
     def test_simple_ig6(self):
-        """ Test number 6 """
         l_rules = []
         l_rules.append(DuplicationRule("S", "S", "B"))
         rules = Rules(l_rules)
@@ -211,7 +210,6 @@ def test_simple_ig6(self):
         assert not i_grammar.is_empty()
 
     def test_simple_ig7(self):
-        """ Test 7 """
         l_rules = []
         l_rules.append(ProductionRule("S", "A", "end"))
         l_rules.append(ConsumptionRule("end", "A", "S"))
@@ -223,7 +221,6 @@ def test_simple_ig7(self):
         assert not i_grammar.is_empty()
 
     def test_simple_ig8(self):
-        """ Tests 8 """
         l_rules = []
         l_rules.append(ProductionRule("S", "Q", "end"))
         l_rules.append(ProductionRule("Q", "A", "end"))
@@ -239,7 +236,7 @@ def test_simple_ig8(self):
         assert not i_grammar.is_empty()
 
     def test_simple_ig9(self):
-        """ Tests 9 {a^n b^n c^n}"""
+        """ {a^n b^n c^n}"""
         l_rules = []
         l_rules.append(ProductionRule("S", "T", "g"))
         l_rules.append(ProductionRule("T", "T", "f"))

pyformlang/indexed_grammar/tests/test_rules.py

@@ -26,8 +26,7 @@ def test_duplication_rules(self):
         """ Tests the duplication rules """
         dupli = DuplicationRule("B0", "A0", "C")
         assert dupli.terminals == set()
-        assert str(dupli) == \
-                         "B0 -> A0 C"
+        assert str(dupli) == "B0 -> A0 C"
 
     def test_end_rule(self):
         """ Tests the end rules """