Ignore line number differs in stubtest

istub.yml

@@ -1,8 +1,23 @@
 packages:
-  - name: botocore
+  - name: s3transfer
     checks:
       stubtest: true
     snapshots:
       stubtest: |-
-        error: not checking stubs due to mypy build errors:
-        ./botocore-stubs/crt/auth.pyi:4: error: Skipping analyzing "awscrt.auth": module is installed, but missing library stubs or py.typed marker
+        error: s3transfer.compat.BaseManager.shutdown is not present at runtime
+        Stub: at line 152
+        def (self: multiprocessing.managers.BaseManager)
+        Runtime:
+        MISSING
+
+        error: s3transfer.processpool.BaseManager.shutdown is not present at runtime
+        Stub: at line 152
+        def (self: multiprocessing.managers.BaseManager)
+        Runtime:
+        MISSING
+
+        error: s3transfer.processpool.TransferMonitorManager.TransferMonitor is not present in stub
+        Stub:
+        MISSING
+        Runtime: at line 722 in file ./multiprocessing/managers.py
+        <function BaseManager.register.<locals>.temp at HASH>

istub/checks/base.py

@@ -51,7 +51,7 @@ def get_diff(self, data: List[str]) -> List[str]:
 
         differ = difflib.Differ()
         diff = differ.compare(old_data, data)
-        return [i for i in diff if i.startswith("-") or i.startswith("+")]
+        return [i for i in diff if not self.is_ignored_line_diff(i)]
 
     def get_call_output(
         self,
@@ -77,3 +77,11 @@ def set_snapshot(self, data: Iterable[str]) -> None:
         Set snapshot data.
         """
         self.package.set_snapshot(self.NAME, data)
+
+    def is_ignored_line_diff(self, line: str) -> bool:
+        """
+        Whether line is ignored in diff.
+        """
+        if line.startswith("+") or line.startswith("-"):
+            return False
+        return True

istub/checks/stubtest.py

@@ -17,3 +17,15 @@ def run(self) -> str:
             capture_stderr=False,
         )
         return "\n".join(output.splitlines()[:-1])
+
+    def is_ignored_line_diff(self, line: str) -> bool:
+        """
+        Whether line is ignored in diff.
+        """
+        if super().is_ignored_line_diff(line):
+            return True
+
+        if "at line" in line:
+            return True
+
+        return False

pyproject.toml

@@ -63,16 +63,17 @@ pip = "*"
 pyyaml = "*"
 
 [tool.poetry.dev-dependencies]
-awscrt = "*"
 isort = "*"
 mypy = "*"
 black = "*"
 flake8 = "*"
 vulture = "*"
 twine = "*"
 types-pyyaml = "*"
-botocore = "*"
+s3transfer = "*"
+awscrt = "*"
 botocore-stubs = "*"
+types-s3transfer = "*"
 types-requests = "*"
 
 [build-system]