add space in example in docstring

Co-authored-by: Bart Schilperoort <b.schilperoort@esciencecenter.nl>

Author: SarahAlidoost

PyStemmusScope/save.py

@@ -12,13 +12,13 @@
 
 Example:
 
-    >>>from PyStemmusScope import StemmusScope
-    >>>from PyStemmusScope import save
+    >>> from PyStemmusScope import StemmusScope
+    >>> from PyStemmusScope import save
 
-    >>>model = StemmusScope(config_file, exe_file)
-    >>>model.setup()
-    >>>model.run()
-    >>>save.to_netcdf(model.config, "required_netcf_variables.csv")
+    >>> model = StemmusScope(config_file, exe_file)
+    >>> model.setup()
+    >>> model.run()
+    >>> save.to_netcdf(model.config, "required_netcf_variables.csv")
 
 """