From 35426b919e4474599106ffa8db47b7064b203827 Mon Sep 17 00:00:00 2001
From: Bojan Mihelac <bmihelac@mihelac.org>
Date: Fri, 18 Dec 2015 09:50:00 +0100
Subject: [PATCH] openpyxl is required for xlsx

---
 import_export/formats/base_formats.py | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/import_export/formats/base_formats.py b/import_export/formats/base_formats.py
index 10b5447eb..f5e7c2412 100644
--- a/import_export/formats/base_formats.py
+++ b/import_export/formats/base_formats.py
@@ -22,14 +22,12 @@
 
 
 try:
-    from tablib.compat import openpyxl
-
+    import openpyxl
     XLSX_IMPORT = True
 except ImportError:
     try:
-        import openpyxl # NOQA
-
-        XLSX_IMPORT = True
+        from tablib.compat import openpyxl
+        XLSX_IMPORT = hasattr(openpyxl, 'load_workbook')
     except ImportError:
         xlsx_warning = "Installed `tablib` library does not include"
         "import support for 'xlsx' format and openpyxl module is not found."
@@ -211,8 +209,7 @@ def create_dataset(self, in_stream):
         """
         assert XLSX_IMPORT
         from io import BytesIO
-        from openpyxl import load_workbook
-        xlsx_book = load_workbook(BytesIO(in_stream))
+        xlsx_book = openpyxl.load_workbook(BytesIO(in_stream))
 
         dataset = tablib.Dataset()
         sheet = xlsx_book.active