diff --git a/theodolite-quarkus/src/main/kotlin/theodolite/evaluation/CsvExporter.kt b/theodolite-quarkus/src/main/kotlin/theodolite/evaluation/CsvExporter.kt
index 516f17a45327edc890533d3f236d41a173623678..e2f536af6dba838b2b4027d6cfafb032ebd3d04d 100644
--- a/theodolite-quarkus/src/main/kotlin/theodolite/evaluation/CsvExporter.kt
+++ b/theodolite-quarkus/src/main/kotlin/theodolite/evaluation/CsvExporter.kt
@@ -4,6 +4,7 @@ import mu.KotlinLogging
 import theodolite.util.PrometheusResponse
 import java.io.File
 import java.io.PrintWriter
+import java.util.*
 
 private val logger = KotlinLogging.logger {}
 
@@ -13,7 +14,7 @@ class CsvExporter {
      * Uses the PrintWriter to transform a PrometheusResponse to Csv
      */
     fun toCsv(name: String, prom: PrometheusResponse) {
-        val responseArray = toArray(prom)
+        val responseArray = promResponseToList(prom)
         val csvOutputFile = File("$name.csv")
 
         PrintWriter(csvOutputFile).use { pw ->
@@ -22,14 +23,13 @@ class CsvExporter {
                 pw.println(it.joinToString())
             }
         }
-        logger.debug { csvOutputFile.absolutePath }
         logger.info { "Wrote csv file: $name to ${csvOutputFile.absolutePath}" }
     }
 
     /**
      * Converts a PrometheusResponse into a List of List of Strings
      */
-    private fun toArray(prom: PrometheusResponse): MutableList<List<String>> {
+    private fun promResponseToList(prom: PrometheusResponse): List<List<String>> {
         val name = prom.data?.result?.get(0)?.metric?.group.toString()
         val values = prom.data?.result?.get(0)?.values
         val dataList = mutableListOf<List<String>>()
@@ -40,6 +40,6 @@ class CsvExporter {
                 dataList.add(listOf(name, "${y[0]}", "${y[1]}"))
             }
         }
-        return dataList
+        return Collections.unmodifiableList(dataList)
     }
 }
diff --git a/theodolite-quarkus/src/main/kotlin/theodolite/evaluation/ExternalSloChecker.kt b/theodolite-quarkus/src/main/kotlin/theodolite/evaluation/ExternalSloChecker.kt
index bc9ca12cb78d64cfa3661d64b9d7d6859c2c4fbc..e65116c0a6b562c0e05714d09ab5a9b528249a05 100644
--- a/theodolite-quarkus/src/main/kotlin/theodolite/evaluation/ExternalSloChecker.kt
+++ b/theodolite-quarkus/src/main/kotlin/theodolite/evaluation/ExternalSloChecker.kt
@@ -5,7 +5,6 @@ import khttp.post
 import mu.KotlinLogging
 import theodolite.util.PrometheusResponse
 import java.net.ConnectException
-import java.time.Duration
 import java.time.Instant
 
 class ExternalSloChecker(
@@ -29,7 +28,7 @@ class ExternalSloChecker(
             val result = post(externalSlopeURL, data = data, timeout = TIMEOUT)
             if (result.statusCode != 200) {
                 counter++
-                logger.error{"Could not reach external slope analysis"}
+                logger.error { "Could not reach external slope analysis" }
             } else {
                 return result.text.toBoolean()
             }