fix: correctly parse and load variant fields (skip duplicates)

Author: d-laub

python/genvarloader/_dataset/_impl.py

@@ -739,7 +739,7 @@ def shape(self) -> tuple[int, int]:
 
     @property
     def full_shape(self) -> tuple[int, int]:
-        """Return the full shape of the dataset, ignoring any subsetting. :code:`(n_samples, n_regions)`"""
+        """Return the full shape of the dataset, ignoring any subsetting. :code:`(n_regions, n_samples)`"""
         return self._idxer.full_shape
 
     @property

python/genvarloader/_dataset/_reconstruct.py

@@ -80,7 +80,7 @@ def from_table(cls, path: str | Path, one_based: bool = True):
         info = {
             k: variants[k].to_numpy()
             for k, v in variants.schema.items()
-            if v.is_numeric()
+            if v.is_numeric() and k not in {"POS", "ILEN"}
         }
 
         ref = (