fix: csv driver incorrectly putting 1st col as index

Author: machow

pins/boards.py

@@ -600,10 +600,12 @@ class BoardManual(BaseBoard):
     ['df_csv']
 
     >>> board.pin_read("df_csv")
-       y  z
-    x
-    1  a  3
-    2  b  4
+       x  y  z
+    0  1  a  3
+    1  2  b  4
+
+
+
 
     """
 

pins/constructors.py

@@ -197,10 +197,10 @@ def board_github(
     ['df_arrow', 'df_csv', 'df_rds', 'df_unversioned']
 
     >>> board.pin_read("df_csv")
-       y  z
-    x
-    1  a  3
-    2  b  4
+       x  y  z
+    0  1  a  3
+    1  2  b  4
+
 
     """
 

pins/drivers.py

@@ -57,7 +57,7 @@ def load_data(
     if meta.type == "csv":
         import pandas as pd
 
-        return pd.read_csv(fs.open(path_to_file), index_col=0)
+        return pd.read_csv(fs.open(path_to_file))
 
     elif meta.type == "joblib":
         import joblib
@@ -90,7 +90,7 @@ def save_data(
             raise NotImplementedError(
                 "Currently only pandas.DataFrame can be saved to a CSV."
             )
-        obj.to_csv(fname)
+        obj.to_csv(fname, index=False)
     elif type == "joblib":
         import joblib
 

pins/tests/test_compat.py

@@ -133,7 +133,7 @@ def test_compat_pin_read(board):
     p_data = PATH_TO_EXAMPLE_BOARD / "df_csv" / "20220214T163720Z-9bfad" / "df_csv.csv"
 
     src_df = board.pin_read("df_csv")
-    dst_df = pd.read_csv(p_data, index_col=0)
+    dst_df = pd.read_csv(p_data)
 
     assert isinstance(src_df, pd.DataFrame)
     assert src_df.equals(dst_df)

pins/tests/test_constructors.py

@@ -16,7 +16,7 @@
 
 @pytest.fixture
 def df_csv():
-    return pd.read_csv(PATH_TO_EXAMPLE_VERSION / "df_csv.csv", index_col=0)
+    return pd.read_csv(PATH_TO_EXAMPLE_VERSION / "df_csv.csv")
 
 
 def check_dir_writable(p_dir):