Hotfix for check on frequency provider

Author: ArneTR

metric_providers/cpu/frequency/sysfs/core/provider.py

@@ -21,4 +21,5 @@ def check_system(self):
                     file.read()
             except PermissionError as exc:
                 raise MetricProviderConfigurationError(f"{self._metric_name} provider could not be started.\nCannot read the path for the CPU frequency in sysfs.\n\nAre you running in a VM / cloud / shared hosting?\nIf so please disable the {self._metric_name} provider in the config.yml") from exc
-        raise MetricProviderConfigurationError(f"{self._metric_name} provider could not be started.\nCould not find the path for the CPU frequency in sysfs.\n\nAre you running in a VM / cloud / shared hosting? \nIf so please disable the {self._metric_name} provider in the config.yml")
+        else:
+            raise MetricProviderConfigurationError(f"{self._metric_name} provider could not be started.\nCould not find the path for the CPU frequency in sysfs.\n\nAre you running in a VM / cloud / shared hosting? \nIf so please disable the {self._metric_name} provider in the config.yml")