using pkgutil

pyexcel/__init__.py

@@ -0,0 +1,2 @@
+import pkgutil
+__path__ = pkgutil.extend_path(__path__, __name__)

pyexcel/ext/xl.py

@@ -150,3 +150,21 @@ class XLWriter(BookWriter):
         This call actually save the file
         """
         self.wb.save(self.file)
+
+try:
+    from pyexcel.io import READERS
+    from pyexcel.io import WRITERS
+
+    READERS.update({
+        "xls": XLBook,
+        "xlsm": XLBook,
+        "xlsx": XLBook
+    })
+    WRITERS.update({
+        "xls": XLWriter
+    })
+except:
+    # to allow this module to function independently
+    pass
+
+__VERSION__ = "0.0.1"

pyexcel_xl/__init__.py

@@ -1,18 +0,0 @@
-from .xlbook import XLBook, XLWriter
-try:
-    from pyexcel.io import READERS
-    from pyexcel.io import WRITERS
-
-    READERS.update({
-        "xls": XLBook,
-        "xlsm": XLBook,
-        "xlsx": XLBook
-    })
-    WRITERS.update({
-        "xls": XLWriter
-    })
-except:
-    # to allow this module to function independently
-    pass
-
-__VERSION__ = "0.0.1"