Fixed how software version is retrieved in save version snapshot

Author: be-smith

pydatalab/src/pydatalab/routes/v0_1/items.py

@@ -1,8 +1,6 @@
 import datetime
 import json
 import re
-from importlib.metadata import PackageNotFoundError
-from importlib.metadata import version as get_package_version
 
 from bson import ObjectId
 from bson.errors import InvalidId
@@ -1370,10 +1368,9 @@ def _save_version_snapshot(
         user_id = current_user.person.immutable_id
 
     # Find out the software version
-    try:
-        software_version = get_package_version("datalab-server")
-    except PackageNotFoundError:
-        software_version = "unknown"
+    from pydatalab import __version__
+
+    software_version = __version__
 
     version_entry = {
         "refcode": refcode,