code sample for pandas-dev#46955

Author: simonjayhawkins

bisect/46955.py

@@ -0,0 +1,25 @@
+# BUG: index_col=False doesn't work for unequal length of data #46955
+
+from io import StringIO
+
+import pandas as pd
+
+print(pd.__version__)
+
+
+TESTDATA = StringIO(
+    """
+0.5 0.03
+0.1  0.2  0.3   2
+0.2  0.1     0.1  0.3
+0.5 0.03
+0.1  0.2   0.3      2
+    """
+)
+
+df = pd.read_csv(TESTDATA, sep=" +", header=None, index_col=False, engine="python")
+
+print(df)
+
+expected = pd.DataFrame({0: [0.5, 0.1, 0.2, 0.5, 0.1], 1: [0.03, 0.2, 0.1, 0.03, 0.2]})
+pd.testing.assert_frame_equal(df, expected)