Fix developer guide example code

glentner · Dec 19, 2021 · 7dbbd70 · 7dbbd70
1 parent 7d1caf1
commit 7dbbd70
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/docs/source/developers.rst b/docs/source/developers.rst
@@ -39,7 +39,7 @@ For example:
         _cmd = 'lsof -u `whoami`'
 
         @classmethod
-        def parse_text(block: str) -> Dict[str, int]:
+        def parse_text(cls, block: str) -> Dict[str, int]:
             """Count lines in the output."""
             return {'count': len(block.strip().split('\n'))}
 

diff --git a/monitor/core/extern.py b/monitor/core/extern.py
@@ -59,7 +59,7 @@ def from_text(cls, block: str) -> ExternalMetric:
         return cls(attrs)
 
     @abstractclassmethod
-    def parse_text(cls, block: str) -> Mapping:
+    def parse_text(cls, block: str) -> Dict[str, T]:
         """Parse the text `block` and return attributes."""
 
     def __str__(self) -> str: