diff --git a/anesthetic/samples.py b/anesthetic/samples.py
index 74a53ab6..271a7d8b 100644
--- a/anesthetic/samples.py
+++ b/anesthetic/samples.py
@@ -254,7 +254,7 @@ def plot_1d(self, axes=None, *args, **kwargs):
                 if np.isinf(self[x]).any():
                     warnings.warn(f"column {x} has inf values.")
                 selfx = self[x].replace([-np.inf, np.inf], np.nan)
-                selfx.plot(ax=ax, xlabel=xlabel, logx=x in logx, 
+                selfx.plot(ax=ax, xlabel=xlabel, logx=x in logx,
                            *args, **kwargs)
                 ax.set_xlabel(xlabel)
             else: