chore: Add Robocop development environment to hatch

Author: bhirsz

CONTRIBUTING.md

@@ -305,6 +305,9 @@ hatch run devel.py3.13-rf73:test # Python 3.13 with Robot Framework 7.3.x (singl
 hatch run rfbeta:test         # Robot Framework beta/RC versions
 hatch run rfmaster:test       # Robot Framework master branch
 hatch run rfdevel:test        # Local Robot Framework development version
+
+# Test with Robocop development version
+hatch run robocopmain:test  # Robocop main branch
 ```
 
 **⚠️ Important Matrix Behavior:**

hatch.toml

@@ -49,7 +49,13 @@ extra-dependencies = ["robotframework==7.2rc1"]
 [envs.rfmaster]
 python = "3.12"
 extra-dependencies = [
-  "robotframework @ git+https://github.com/robotframework/robotframework.git",
+  "robotframework @ git+https://github.com/robotframework/robotframework.git"
+]
+
+[envs.robocopmain]
+python = "3.12"
+extra-dependencies = [
+  "robotframework-robocop @ git+https://github.com/MarketSquare/robotframework-robocop.git"
 ]
 
 [envs.rfdevel]

packages/language_server/src/robotcode/language_server/robotframework/parts/robocop_diagnostics.py

@@ -78,7 +78,6 @@ def collect_diagnostics(
     @_logger.call
     def collect(self, document: TextDocument, workspace_folder: WorkspaceFolder) -> List[Diagnostic]:
         from robocop.linter.rules import RuleSeverity
-        from robocop.linter.runner import RobocopLinter
 
         linter = self.get_linter(workspace_folder)