Ensure geometry exists

Test set files may not have a geometry column.

pest_management_opendata.py

@@ -102,11 +102,23 @@ class ExampleManager:
 
     @staticmethod
     def pests(df):
-        for i in df.dropna().itertuples(index=False):
-            geometry = loads(i.geometry)
+        if 'geometry' in df.columns:
+            for i in df.dropna().itertuples(index=False):
+                geometry = loads(i.geometry)
+                yield {
+                    'label': i.label,
+                    'geometry': geometry.wkb,
+                }
+
+    def __init__(self, payload):
+        self.payload = payload
+
+    def __iter__(self):
+        df = self.payload.to_frame()
+        for (i, g) in df.groupby('image', sort=False):
             yield {
-                'label': i.label,
-                'geometry': geometry.wkb,
+                'image': self.load(urlparse(i)),
+                'pests': list(self.pests(g)),
             }
 
     def load(self, url):
@@ -126,17 +138,6 @@ class ExampleManager:
 
         return cv2.imdecode(image, self._decode_flags)
 
-    def __init__(self, payload):
-        self.payload = payload
-
-    def __iter__(self):
-        df = self.payload.to_frame()
-        for (i, g) in df.groupby('image', sort=False):
-            yield {
-                'image': self.load(urlparse(i)),
-                'pests': list(self.pests(g)),
-            }
-
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