upgrade pie-related dependencies (#161)

* upgrade pytorch-ie ^0.30, pie-datasets to ^0.9, pie-modules to ^0.11

* fix Attribute annotation

* minor improvement

requirements.txt

@@ -1,7 +1,7 @@
 # --------- pytorch-ie --------- #
-pytorch-ie>=0.28.0,<0.30.0
-pie-datasets>=0.8.1,<0.9.0
-pie-modules>=0.10.9,<0.11.0
+pytorch-ie>=0.28.0,<0.31.0
+pie-datasets>=0.8.1,<0.10.0
+pie-modules>=0.10.9,<0.12.0
 
 # --------- hydra --------- #
 hydra-core>=1.3.0

src/document/types.py

@@ -22,10 +22,9 @@ def __post_init__(self) -> None:
             raise ValueError("score must be a single float.")
 
     def __str__(self) -> str:
-        if self.target is not None:
-            result = f"label={self.label},annotation={self.annotation}"
-        else:
-            result = f"label={self.label}"
+        result = f"label={self.label}"
+        if self.is_attached:
+            result += f",annotation={self.annotation}"
         if self.type is not None:
             result += f",type={self.type}"
         if self.score is not None: