fix: fix path typo (#72)

Author: fgvieira

snakemake_executor_plugin_slurm/__init__.py

@@ -69,7 +69,7 @@ def run_job(self, job: JobExecutorInterface):
         group_or_rule = f"group_{job.name}" if job.is_group() else f"rule_{job.name}"
 
         try:
-            wildcard_str = f"_{'_'.join(job.wildcards)}" if job.wildcards else ""
+            wildcard_str = "_".join(job.wildcards) if job.wildcards else ""
         except AttributeError:
             wildcard_str = ""