From 1a06fb9bae933426dcea92a79ad0d59b3b0ba019 Mon Sep 17 00:00:00 2001
From: iuvbio <lyndonbjohn@gmail.com>
Date: Thu, 31 Jan 2019 21:38:03 +0100
Subject: [PATCH] update sanitize_df

---
 pandas_ods_reader/tools.py | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/pandas_ods_reader/tools.py b/pandas_ods_reader/tools.py
index 28343f5..9dd9582 100644
--- a/pandas_ods_reader/tools.py
+++ b/pandas_ods_reader/tools.py
@@ -14,11 +14,9 @@ def ods_info(doc):
 def sanitize_df(df):
     """Drops empty rows and columns from the DataFrame and returns it"""
     # Delete empty rows
-    rows = len(df) - 1
-    for i in range(rows):
-        row = df.iloc[-1]
-        if row.isnull().all():
-            df = df.iloc[:-1]  # TODO: verifiy that the range is not inclusive
+    for i in df.index.tolist()[-1::-1]:
+        if df.iloc[i].isna().all():
+            df.drop(i, inplace=True)
         else:
             break
     # Delete empty columns
@@ -27,5 +25,4 @@ def sanitize_df(df):
         if not df[column].isnull().all():
             cols.append(column)
     df = df[cols]
-    # len(df.columns)
     return df