1 files changed, 8 insertions, 0 deletions
diff --git a/r_qtl/errors.py b/r_qtl/errors.py
new file mode 100644
index 0000000..648611e
--- /dev/null
+++ b/r_qtl/errors.py
@@ -0,0 +1,8 @@
+"""R/qtl and R/qtl2 error types."""
+from collections import namedtuple
+
+class RQTLError(Exception):
+    """Base class for R/qtl and R/qtl2 errors."""
+
+class InvalidFormat(RQTLError):
+    """Raised when the format of the file(s) is invalid."""