Restored scrapy.utils.py26 module for backwards compatibility, with a deprecation message. This is needed because the module was used a lot by users and the change causes too much trouble

scrapy/utils/py26.py

@@ -0,0 +1,10 @@
+import json
+from shutil import copytree, ignore_patterns
+from multiprocessing import cpu_count
+from pkgutil import get_data
+
+from scrapy.exceptions import ScrapyDeprecationWarning
+
+import warnings
+warnings.warn("Module `scrapy.utils.py26` is deprecated and will be removed in Scrapy 0.17",
+    ScrapyDeprecationWarning, stacklevel=2)