diff --git a/osaca/osaca.py b/osaca/osaca.py
index c780243..f58a9ce 100755
--- a/osaca/osaca.py
+++ b/osaca/osaca.py
@@ -73,7 +73,7 @@ class Osaca(object):
             sys.exit(1)
         # Check for database for the chosen architecture
         self.df = self.read_csv()
-        # Create sequence of numbers and their reciprokals for validate the measurements
+        # Create sequence of numbers and their reciprocals for validate the measurements
         cyc_list, reci_list = self.create_sequences()
         print('Everything seems fine! Let\'s start!', file=self.file_output)
         new_data = []
@@ -93,12 +93,17 @@ class Osaca(object):
             clk_cyc_tmp = clk_cyc
             clk_cyc = self.validate_val(clk_cyc, instr, True if (clmn == 'TP') else False,
                                         cyc_list, reci_list)
-            txt_output = True if (clk_cyc_tmp == clk_cyc) else False
+            txt_output = (clk_cyc_tmp == clk_cyc)
             val = -2
             new = False
             try:
                 entry = self.df.loc[lambda df, inst=instr: df.instr == inst, clmn]
                 val = entry.values[0]
+                # If val is -1 (= not filled with a valid value) add it immediately
+                if val == -1:
+                    self.df.set_value(entry.index[0], clmn, clk_cyc)
+                    added_vals += 1
+                    continue
             except IndexError:
                 # Instruction not in database yet --> add it
                 new = True
@@ -117,11 +122,6 @@ class Osaca(object):
                     new_data.append([instr, '-1', clk_cyc, (-1,)])
                 new = True
                 added_vals += 1
-            # If val is -1 (= not filled with a valid value) add it immediately
-            if val == -1:
-                self.df.set_value(entry.index[0], clmn, clk_cyc)
-                added_vals += 1
-                continue
             if not new and abs((val / np.float64(clk_cyc)) - 1) > 0.05:
                 print('Different measurement for {} ({}): {}(old) vs. '.format(instr, clmn, val)
                       + '{}(new)\nPlease check for correctness '.format(clk_cyc)
@@ -770,7 +770,6 @@ class Osaca(object):
             data = '| ' + elem[-1] + ws + '{:3.2f}'.format(tp) + n_f + '\n'
             output += data
         # Finally end the list of  throughput values
-        num_whitespaces = self.longestInstr - 27
         output += '| ' + horiz_line + '\n'
         if warning:
             output += ('\n\n* There was no throughput value found '
diff --git a/osaca/testcase.py b/osaca/testcase.py
index 55fbf9a..3f19b10 100755
--- a/osaca/testcase.py
+++ b/osaca/testcase.py
@@ -127,46 +127,46 @@ class Testcase(object):
             String tuple containing types of operands and if needed push/pop operations, the
             initialisation of general purpose regs and the copy if registers.
         """
-        oprnds = self.param_list
+        operands = self.param_list
         op_a, op_b, op_c = ('', '', '')
         gpr_push, gpr_pop, zero_gpr = ('', '', '')
-        if isinstance(oprnds[0], Register):
-            op_a = oprnds[0].reg_type.lower()
-        elif isinstance(oprnds[0], MemAddr):
+        if isinstance(operands[0], Register):
+            op_a = operands[0].reg_type.lower()
+        elif isinstance(operands[0], MemAddr):
             op_a = 'mem'
-        elif isinstance(oprnds[0], Parameter) and str(oprnds[0]) == 'IMD':
+        elif isinstance(operands[0], Parameter) and str(operands[0]) == 'IMD':
             op_a = 'imd'
         if op_a == 'gpr':
             gpr_push, gpr_pop, zero_gpr = self.__initialise_gprs()
-            op_a += str(oprnds[0].size)
-        if len(oprnds) > 1:
-            if isinstance(oprnds[1], Register):
-                op_b = oprnds[1].reg_type.lower()
-            elif isinstance(oprnds[1], MemAddr):
+            op_a += str(operands[0].size)
+        if len(operands) > 1:
+            if isinstance(operands[1], Register):
+                op_b = operands[1].reg_type.lower()
+            elif isinstance(operands[1], MemAddr):
                 op_b = 'mem'
-            elif isinstance(oprnds[1], Parameter) and str(oprnds[1]) == 'IMD':
+            elif isinstance(operands[1], Parameter) and str(operands[1]) == 'IMD':
                 op_b = 'imd'
             if op_b == 'gpr':
-                op_b += str(oprnds[1].size)
+                op_b += str(operands[1].size)
                 if 'gpr' not in op_a:
                     gpr_push, gpr_pop, zero_gpr = self.__initialise_gprs()
-        if len(oprnds) == 3:
-            if isinstance(oprnds[2], Register):
-                op_c = oprnds[2].reg_type.lower()
-            elif isinstance(oprnds[2], MemAddr):
+        if len(operands) == 3:
+            if isinstance(operands[2], Register):
+                op_c = operands[2].reg_type.lower()
+            elif isinstance(operands[2], MemAddr):
                 op_c = 'mem'
-            elif isinstance(oprnds[2], Parameter) and str(oprnds[2]) == 'IMD':
+            elif isinstance(operands[2], Parameter) and str(operands[2]) == 'IMD':
                 op_c = 'imd'
             if op_c == 'gpr':
-                op_c += str(oprnds[2].size)
+                op_c += str(operands[2].size)
                 if ('gpr' not in op_a) and ('gpr' not in op_b):
                     gpr_push, gpr_pop, zero_gpr = self.__initialise_gprs()
-        if len(oprnds) == 1 and isinstance(oprnds[0], Register):
-            copy = self.__copy_regs(oprnds[0])
-        elif len(oprnds) > 1 and isinstance(oprnds[1], Register):
-            copy = self.__copy_regs(oprnds[1])
-        elif len(oprnds) > 2 and isinstance(oprnds[2], Register):
-            copy = self.__copy_regs(oprnds[1])
+        if len(operands) == 1 and isinstance(operands[0], Register):
+            copy = self.__copy_regs(operands[0])
+        elif len(operands) > 1 and isinstance(operands[1], Register):
+            copy = self.__copy_regs(operands[1])
+        elif len(operands) > 2 and isinstance(operands[2], Register):
+            copy = self.__copy_regs(operands[1])
         else:
             copy = ''
         return op_a, op_b, op_c, gpr_push, gpr_pop, zero_gpr, copy