Merge pull request #52 from zazuum/dev

Removed xlsm files from the list due to dropped support from xlrd>=2 …

Author: chfw

pyexcel_xls/__init__.py

@@ -35,6 +35,7 @@ def xlrd_version_2_or_greater():
 supported_file_formats = [__FILE_TYPE__, "xlsx", "xlsm"]
 if XLRD_VERSION_2_OR_ABOVE:
     supported_file_formats.remove("xlsx")
+    supported_file_formats.remove("xlsm")
 
 
 IOPluginInfoChainV2(__name__).add_a_reader(