Merge pull request #145 from dataquestio/fix/alex/m529

Fixed ignore_index error

Mission529Solutions.ipynb

@@ -759,8 +759,8 @@
     "                               'Period\\\\Unit:': 'Time'},\n",
     "                      inplace=True)\n",
     "exchange_rates['Time'] = pd.to_datetime(exchange_rates['Time'])\n",
-    "exchange_rates.sort_values('Time', ignore_index=True,\n",
-    "                           inplace=True)\n",
+    "exchange_rates.sort_values('Time', inplace=True)\n",
+    "exchange_rates.reset_index(drop=True, inplace=True)\n",
     "exchange_rates.head()"
    ]
   },
@@ -776,13 +776,13 @@
        "1.2276     9\n",
        "1.1215     8\n",
        "1.1305     7\n",
-       "1.3086     6\n",
+       "1.0867     6\n",
        "          ..\n",
-       "1.0871     1\n",
-       "1.0585     1\n",
-       "1.4292     1\n",
-       "1.0763     1\n",
-       "1.2116     1\n",
+       "1.4032     1\n",
+       "1.3330     1\n",
+       "1.3358     1\n",
+       "1.3521     1\n",
+       "1.1887     1\n",
        "Name: US_dollar, Length: 3528, dtype: int64"
       ]
      },
@@ -1160,7 +1160,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": 13,
    "metadata": {},
    "outputs": [
     {