lambda: Fix bug for using lambdas in jupyter notebook

fennel/CHANGELOG.md

@@ -1,5 +1,8 @@
 # Changelog
 
+## [1.5.23] - 2024-09-17
+- Fix bug for using lambdas in jupyter notebooks
+
 ## [1.5.22] - 2024-09-12
 - Add casting to pyarrow for using expression in assign.
 

fennel/internal_lib/to_proto/source_code.py

@@ -321,11 +321,18 @@ def check_ambiguous_lambda(
  """
  # Get the next line and append to lambda text
  next_line = ""
- with open(lambda_func.__code__.co_filename, "r") as f:
- lines = f.readlines()
- if line_num < len(lines):
- next_line = lines[line_num].strip()
-
+ try:
+ with open(lambda_func.__code__.co_filename, "r") as f:
+ lines = f.readlines()
+ if line_num < len(lines):
+ next_line = lines[line_num].strip()
+ except Exception:
+ src_code = fennel_get_source(lambda_func)
+ num_lines = src_code.count("\n")
+ if num_lines <= 1:
+ return
+ next_line = src_code.split("\n")[1]
+
  # No Next line found
  if next_line == "":
  return

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "fennel-ai"
-version = "1.5.22"
+version = "1.5.23"
 description = "The modern realtime feature engineering platform"
 authors = ["Fennel AI <developers@fennel.ai>"]
 packages = [{ include = "fennel" }]