updated change log, fixed logging statements

CHANGES.rst

@@ -1,11 +1,18 @@
-0.6.0 (unreleased)
-==================
+0.6.0 (22-01-14)
+================
 
 ramp_fitting
 ------------
 
 - Adding GLS code back to ramp fitting. [#64]
 
+jump
+----
+
+- Fix issue in jump detection that occured when there were only 2 usable
+  differences with no other groups flagged. This PR also added tests and
+  fixed some of the logging statements in twopoint difference. [#74]
+
 0.5.1 (2022-01-07)
 ==================
 

src/stcal/jump/twopoint_difference.py

@@ -125,12 +125,10 @@ def find_crs(dataa, group_dq, read_noise, normal_rej_thresh,
         row2cr, col2cr = np.where(np.logical_and(ndiffs - num_unusable_groups == 2,
                                   max_ratio > two_diff_rej_thresh))
 
-        log.info(f'From highest outlier Two-point found {len(row4cr)} pixels \
-                 with at least one CR and at least five groups')
-        log.info(f'From highest outlier Two-point found {len(row3cr)} pixels \
-                 with at least one CR and four groups')
-        log.info(f'From highest outlier Two-point found {len(row2cr)} pixels \
-                 with at least one CR and three groups')
+        log_str = 'From highest outlier, two-point found {} pixels with at least one CR from {} groups.'
+        log.info(log_str.format(len(row4cr), 'five'))
+        log.info(log_str.format(len(row3cr), 'four'))
+        log.info(log_str.format(len(row2cr), 'three'))
 
         # get the rows, col pairs for all pixels with at least one CR
         all_crs_row = np.concatenate((row4cr, row3cr, row2cr))