Merge branch 'develop' into documentation

tests/misc_test.py

@@ -0,0 +1,20 @@
+import numpy as np
+import matplotlib.pyplot as plt
+import pyerrors as pe
+import pytest
+
+
+def test_obs_errorbar():
+    x_float = np.arange(5)
+    x_obs = []
+    y_obs = []
+    for x in x_float:
+        x_obs.append(pe.pseudo_Obs(x, 0.1, "test"))
+        y_obs.append(pe.pseudo_Obs(x ** 2, 0.1, "test"))
+
+    for xerr in [2, None]:
+        for yerr in [0.1, None]:
+            pe.errorbar(x_float, y_obs, marker="x", ms=2, xerr=xerr, yerr=yerr)
+            pe.errorbar(x_obs, y_obs, marker="x", ms=2, xerr=xerr, yerr=yerr)
+
+    plt.close('all')