BUG: Fixed error in logic for irr

Bug was found upon commit in IRR function. Logic
was incorrect and returning an out of index
error. Conditional statement was fixed to
overcome this.

numpy_financial/_financial.py

@@ -835,25 +835,26 @@ def irr(values, *, raise_exceptions=False, selection_logic=_irr_default_selectio
     #
     # which we solve using Newton-Raphson and then reverse out the solution
     # as eirr = g - 1 (if we are close enough to a solution)
-        g = np.roots(row)
-        eirr = np.real(g[np.isreal(g)]) - 1
-
-        # Realistic IRR
-        eirr = eirr[eirr >= -1]
-
-        # If no real solution
-        if len(eirr) == 0:
-                if raise_exceptions:
-                    raise NoRealSolutionError("No real solution is found for IRR.")
-                irr_results.append(np.nan)
-        # If only one real solution
-        if len(eirr) == 1:
-                irr_results.append(eirr[0])
-
-        eirr = selection_logic(eirr)
-        irr_results.append(eirr)
-
-    return np.array(irr_results)
+        else:
+            g = np.roots(row)
+            eirr = np.real(g[np.isreal(g)]) - 1
+
+            # Realistic IRR
+            eirr = eirr[eirr >= -1]
+
+            # If no real solution
+            if len(eirr) == 0:
+                    if raise_exceptions:
+                        raise NoRealSolutionError("No real solution is found for IRR.")
+                    irr_results.append(np.nan)
+            # If only one real solution
+            elif len(eirr) == 1:
+                    irr_results.append(eirr[0])
+            else:   
+                eirr = selection_logic(eirr)
+                irr_results.append(eirr)
+
+    return _ufunc_like(np.array(irr_results))
 
 
 def npv(rate, values):