* Add test to make sure iterating over the lexicon isnt broken

tests/test_iter_lexicon.py

@@ -0,0 +1,15 @@
+import pytest
+
+from spacy.en import EN
+
+def test_range_iter():
+    EN.load()
+    for i in range(len(EN.lexicon)):
+        lex = EN.lexicon[i]
+
+
+def test_iter():
+    EN.load()
+    i = 0
+    for lex in EN.lexicon:
+        i += 1