py39: removing empty dimensions

Author: pancetta

pySDC/implementations/collocation_classes/equidistant.py

@@ -55,4 +55,4 @@ def _getNodes(self):
         a = self.tleft
         b = self.tright
         nodes = np.linspace(a, b, M)
-        return nodes
+        return nodes.squeeze()

pySDC/implementations/collocation_classes/equidistant_inner.py

@@ -56,4 +56,4 @@ def _getNodes(self):
         b = self.tright
         nodes = np.linspace(a, b, M + 1, endpoint=False)
         nodes = nodes[1:]
-        return nodes
+        return nodes.squeeze()

pySDC/implementations/collocation_classes/equidistant_right.py

@@ -56,4 +56,4 @@ def _getNodes(self):
         b = self.tright
         nodes = np.linspace(a, b, M + 1)
         nodes = nodes[1:]
-        return nodes
+        return nodes.squeeze()

pySDC/implementations/collocation_classes/equidistant_spline_right.py

@@ -53,7 +53,7 @@ def _getNodes(self):
         Returns:
             np.ndarray: array of equidistant nodes
         """
-        return np.linspace(self.tleft + 1.0 / self.num_nodes, self.tright, self.num_nodes, endpoint=True)
+        return np.linspace(self.tleft + 1.0 / self.num_nodes, self.tright, self.num_nodes, endpoint=True).squeeze()
 
     def _getWeights(self, a, b):
         """