fix(wf-brainscales2-demos): typos

packages/wf-brainscales2-demos/package.py

@@ -43,12 +43,12 @@ class WfBrainscales2Demos(Package):
     def installcheck(self):
         # execute notebook and save
         jupyter = Executable("jupyter")
-        jupyter("nbconvert"
-            "--ExecutePreprocessor.kernel_name=python3"
-            "--execute"
-            "--allow-errors"
-            "--to"
-            "notebook"
-            "ts_05-yin_yang.ipynb"
-            "--output"
+        jupyter("nbconvert",
+            "--ExecutePreprocessor.kernel_name=python3",
+            "--execute",
+            "--allow-errors",
+            "--to",
+            "notebook",
+            "ts_05-yin_yang.ipynb",
+            "--output",
             prefix+"/.spack_test_results/ts_05-yin_yang.ipynb")