fixup! Add python fields tests

Author: achaikou

python/test/segy.py

@@ -977,22 +977,22 @@ def test_field_types_write(tmpdir):
         orig_binh = f.bin
         orig_trh = f.header[0]
 
-    with segyio.open(updpath, mode='r+', ignore_geometry=True) as f:
-        bupd = {
-            BinField.NrTracesInStream: 18446744073709551615,
-            BinField.JobID: 2147483647,
-            BinField.SamplesOriginal: 65535,
-            BinField.VerticalSum: -32768,
-            BinField.SEGYRevisionMinor: 255,
-            BinField.ExtIntervalOriginal: 10.125,
-        }
-
-        tupd = {
-            TraceField.INLINE_3D: -2147483648,
-            TraceField.TRACE_SAMPLE_COUNT: 65535,
-            TraceField.DelayRecordingTime: 32767,
-        }
+    bupd = {
+        BinField.NrTracesInStream: 18446744073709551615,
+        BinField.JobID: 2147483647,
+        BinField.SamplesOriginal: 65535,
+        BinField.VerticalSum: -32768,
+        BinField.SEGYRevisionMinor: 255,
+        BinField.ExtIntervalOriginal: 10.125,
+    }
+
+    tupd = {
+        TraceField.INLINE_3D: -2147483648,
+        TraceField.TRACE_SAMPLE_COUNT: 65535,
+        TraceField.DelayRecordingTime: 32767,
+    }
 
+    with segyio.open(updpath, mode='r+', ignore_geometry=True) as f:
         f.bin.update(bupd)
         f.header[0].update(tupd)
         f.flush()