oops forgot to revert thread_count thing

src/ingest_validation_tests/fastq_validator.py

@@ -1,3 +1,4 @@
+from os import cpu_count
 from typing import List, Optional
 
 from fastq_validator_logic import FASTQValidatorLogic, _log
@@ -8,14 +9,10 @@ class FASTQValidator(Validator):
     description = "Check FASTQ files for basic syntax and consistency."
     cost = 15.0
     version = "1.0"
-    # need to add to parent validator class in IVT, hack for now
-    thread_count = None
 
     def collect_errors(self, **kwargs) -> List[Optional[str]]:
-        del kwargs
-        if not self.thread_count:
-            self.thread_count = 1
-        _log(f"Threading at FastQValidator with {self.thread_count}")
+        threads = kwargs.get("coreuse", None) or cpu_count() // 4 or 1
+        _log(f"Threading at FastQValidator with {threads}")
         validator = FASTQValidatorLogic(verbose=True)
         validator.validate_fastq_files_in_path(self.paths, self.thread_count)
         if validator.errors: