quick fix for randomly failing build (#13)

Author: AlexanderLanin

MODULE.bazel

@@ -13,7 +13,7 @@
 
 module(
     name = "score_docs_as_code",
-    version = "0.1.0",
+    version = "0.1.1",
     compatibility_level = 0,
 )
 

src/extensions/score_draw_uml_funcs/__init__.py

@@ -32,9 +32,6 @@
 from pathlib import Path
 from typing import Any
 
-from sphinx.application import Sphinx
-from sphinx_needs.logging import get_logger
-
 from score_draw_uml_funcs.helpers import (
     gen_header,
     gen_interface_element,
@@ -49,6 +46,8 @@
     get_module,
     get_real_interface_logical,
 )
+from sphinx.application import Sphinx
+from sphinx_needs.logging import get_logger
 
 logger = get_logger(__file__)
 
@@ -379,6 +378,14 @@ def __call__(
                 if imcomp := impl_comp.get(iface, {}):
                     module = get_module(imcomp, all_needs)
 
+                    # FIXME: sometimes module is empty, then the following code fails
+                    if not module:
+                        logger.info(
+                            f"FIXME: {need['id']}: "
+                            f"Module for interface {iface} -> {imcomp} is empty."
+                        )
+                        continue
+
                     if module not in proc_modules:
                         tmp, link_text, proc_impl_interfaces, proc_used_interfaces = (
                             draw_module(