Merge pull request #1811 from knutfrode/dev

Allowing >>> import opendrift; print(opendrift.versions())

Author: knutfrode

opendrift/__init__.py

@@ -90,6 +90,7 @@ def open(filename):
 def versions():
     def version(package):
         try:
+            from importlib.metadata import version
             return importlib.metadata.version(package)
         except importlib.metadata.PackageNotFoundError:
             return "N/A"
@@ -183,4 +184,4 @@ def import_from_ladim(ladimfile, romsfile):
     o.time = time[-1]
     o.steps_output = num_timesteps
 
-    return o
+    return o