Dont allow None value for StateBase.src

Author: hukkinj1

markdown_it/ruler.py

@@ -47,9 +47,7 @@ def src(self):
     @src.setter
     def src(self, value):
         self._src = value
-        self.srcCharCode = (
-            tuple(ord(c) for c in self.src) if self.src is not None else ()
-        )
+        self.srcCharCode = tuple(ord(c) for c in self.src)
 
 
 # The first positional arg is always a subtype of `StateBase`. Other

tests/test_api/test_main.py

@@ -1,6 +1,5 @@
 from markdown_it import MarkdownIt
 from markdown_it.token import Token
-from markdown_it.rules_core import StateCore
 
 
 def test_get_rules():
@@ -254,18 +253,6 @@ def test_emptyStr():
     ]
 
 
-def test_noneState():
-    md = MarkdownIt()
-    state = StateCore(None, md, {}, [])
-
-    # Remove normalizing rule
-    rules = md.core.ruler.get_active_rules()
-    md.core.ruler.enableOnly(rules[rules.index("inline") :])
-
-    # Check that we can process None str with empty env and block_tokens
-    md.core.process(state)
-
-
 def test_empty_env():
     """Test that an empty `env` is mutated, not copied and mutated."""
     md = MarkdownIt()